Ultra CBD Natural Spearmint Flavor [Discontinued] by CBD Life Holdings

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Serving Size 15 Drop(s) (1/2 dropper)

Ingredients	Amount Per Serving
Proprietary Blend	250 mg
Cannabinoid extract
Ginger rhizome extract (rhizome)
natural Honey
Spearmint extract

Other Ingredients

Water, pure Vegetable Glycerin, Natural flavoring

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This product has been discontinued by the manufacturer.

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Effectiveness view details

Below is general information about the effectiveness of the known ingredients contained in the product Ultra CBD Natural Spearmint Flavor. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.

GINGER (Ginger rhizome extract)

POSSIBLY EFFECTIVE

Dysmenorrhea. In people with dysmenorrhea, taking oral ginger seems to reduce pain. Clinical research shows that ginger might be comparable to ibuprofen or mefenamic acid. In addition, taking ginger seems to be beneficial when used as an adjunct to mefenamic acid 250 mg twice daily. Details: Clinical research in individuals at least 15 years of age shows that ginger can reduce pain from dysmenorrhea. Clinical studies show that taking ginger powder 500-2000 mg daily usually for the first 3-4 days of a menstrual cycle modestly decreases pain severity by an average of 2.3-2.7 points on a 10-point scale when compared to control groups (89889,89899,91139,91892,96255,106077). However, a meta-analysis of clinical research shows that taking ginger does not reduce pain duration when compared with placebo (106077). Clinical research also shows that ginger might be as effective as some anti-inflammatory agents. Taking a specific ginger extract (Zintoma, Goldaru) 250 mg four times daily for 3 days at the beginning of the menstrual period or until pain relief improves symptoms similarly to ibuprofen or mefenamic acid (17931,96259,106077). Also, taking a ginger extract 200 mg four times daily for 3-4 days at the beginning of pain is equally effective to taking Novafen, a combination of acetaminophen, caffeine, and ibuprofen (99444). Ginger also seems to improve pain when given as an adjunct to anti-inflammatory agents. A small clinical study in young females with dysmenorrhea shows that adding ginger (Vomigone, Dineh Co.) 500 mg daily to mefenamic acid 250 mg twice daily for 5 days further reduces pain when compared with taking mefenamic acid alone (102464).
Osteoarthritis. Most clinical research shows that taking ginger extract by mouth improves pain in some patients with osteoarthritis. Topical ginger, on the other hand, has not shown benefit for knee osteoarthritis in low quality research. Details: Meta-analyses of clinical research show that taking ginger extract 500-1000 mg daily for 3-12 weeks can modestly improve pain when compared with placebo in some patients with osteoarthritis of the knee or hip (96253,103357). However, a meta-analysis of two clinical studies shows that taking ginger extract about 500 mg daily for 6 weeks does not have an effect on function (103357). Some clinical research has also compared ginger to conventional drug treatment. In one clinical trial, there was no significant difference between ginger extract 30 mg daily and ibuprofen 400 mg three times daily for one month in patients with osteoarthritis of the hip or knee (17930). However, taking a specific ginger extract (Eurovita Extract 33; EV ext-33) orally 170 mg three times daily for 3 weeks was significantly less effective than ibuprofen 400 mg three times daily for reducing pain (7048). Since ginger is thought to take several weeks for significant benefit, this trial might not have lasted long enough. Ginger has also been compared with diclofenac. When used orally as 1500 mg daily in two divided doses, ginger is less effective than oral diclofenac 100 mg daily in two divided doses, or the combination of ginger and diclofenac, for 12 weeks (89898). Various studies have evaluated formulations containing ginger with other ingredients. These combinations have all been shown to improve osteoarthritis pain, and in some cases, functionality. Studied formulations include ginger (Eurovita Extract 35; EV ext-35) 340 mg with glucosamine (Zinaxin glucosamine, Ferrosan AS) 1000 mg daily for 4 weeks, a ginger extract with an alpinia (Alpinia galanga) extract (Eurovita Extract 77; EV ext-77) 255 mg twice daily for 6 weeks, a ginger extract with curcuminoids, and extracts of devil's claw, Boswellia serrata, and celery (Tregocel) for 36 weeks, or Ayurvedic shunthi-guduchi formulations containing ginger, Indian gooseberry, and Tinospora cordifolia, either with or without Boswellia serrata (7084,18210,89557,106078). However, it's too early to know if the effects of these combination agents are associated with ginger or other ingredients in the formulations. Topical ginger, alone or in combination with other ingredients, has also been studied for knee osteoarthritis. Although a meta-analysis of two randomized clinical trials shows no evidence of benefit of topical ginger for pain and disability when compared with placebo or standard therapy (103357), some benefits have been shown in individual preliminary studies (20340,20341,89897,96668,97537,97542). These trials have used a specific gel containing ginger and plai 4% by weight (Plygersic gel, Thailand Institute of Scientific and Technological Research) 4 grams/day in four divided doses for 6 weeks (89897), an ointment composed of ginger, cinnamon, mastic (Saghez), and sesame oil twice daily for 6 weeks (20340), or one gram of ginger extract 5% (standardized to 11.18% of 6-gingerol) in a nanostructure lipid carrier three times daily for up to 12 weeks to the affected knee (96668,97537). Some studies have used ginger essential oil in a massage oil, alone or with sweet orange essential oil or standard therapy, twice weekly for 3 or 6 weeks (20341,97542).
Pregnancy-induced nausea and vomiting. Oral ginger seems to reduce the severity of nausea and vomiting in some people during pregnancy. Ginger seems to be more effective than placebo, comparable to vitamin B6 or dimenhydrinate, and less effective than metoclopramide. Details: Although most clinical studies are small and have methodological limitations, the available research shows that ginger is more effective than placebo, and comparable to vitamin B6 or dimenhydrinate (721,1922,5343,11346,13071,16306,20312,20315,90103,91201,102462). Although ginger is comparable to dimenhydrinate for reducing symptoms of morning sickness, it seems to take about 3 days to reduce vomiting episodes compared to 1 day with dimenhydrinate (16305). In addition, clinical research shows that ginger is less effective than metoclopramide at relieving nausea and vomiting associated with pregnancy (20315). Ginger doses of 500 to 2500 mg daily, divided into two to four daily doses for 3 days to 3 weeks, have been used in clinical research (721,5343,16305,16306,20312,20315,90103,91201).

POSSIBLY INEFFECTIVE

Exercise-induced muscle soreness. Most research shows that oral ginger in single or multiple doses does not prevent or treat exercise-induced muscle soreness. Details: Two small studies in healthy adults show that single doses of ginger supplements do not seem to reduce muscle soreness from exercise. Taking capsules of ground ginger 2 grams, 30 minutes before a 30-minute cycling bout, or 24-48 hours after eccentric exercise, does not reduce muscle pain during exercise or within one hour of ingestion when compared with placebo (17932,17934). Taking multiple doses also does not seem to help. One small study in healthy adults shows that taking capsules with ginger powder 4 grams daily for 5 days before high-intensity eccentric exercise does not reduce muscle soreness over 4 days when compared with placebo (96258). Another small study in healthy adults shows that taking capsules of heated or raw ground ginger 2 grams daily for 8 days prior to eccentric exercise, and continuing supplementation for 3 more days, might modestly reduce muscle soreness 24 hours post-exercise, but not at later time points, when compared with placebo (17933,96258). Ginger has also been tested in combination with other ingredients. One small study in healthy adults shows that taking a specific combination product (ReWin(d), Natural Origins) containing a 4:3 ratio of ginger and annatto powder, 2 grams in divided doses daily for 4 weeks before eccentric exercise and continuing for 3 days after exercise, may modestly reduce muscle pain 48 hours after exercise but not at other time points (105057). This study was funded by the supplement manufacturer.
Motion sickness. Most research shows that oral ginger does not prevent or treat motion sickness. Details: Most clinical research shows that taking ginger 500-1000 mg up to 4 hours prior to travel does not prevent motion sickness (7624,7625,20330,20331). Some patients report subjective feelings of improvement, but in many studies objective measures did not significantly improve (7400). However, one clinical trial suggests that ginger is more effective than dimenhydrinate at reducing gastrointestinal distress associated with motion sickness (20332). Another clinical study seems to show that taking ginger 1-2 grams as a single dose reduces nausea severity and increases the latency before the onset of nausea caused by simulated motion sickness when compared to baseline (20333). The validity of this finding is limited by the lack of a comparator group.

INSUFFICIENT RELIABLE EVIDENCE to RATE

Acute respiratory distress syndrome (ARDS). Some small clinical studies show that giving ginger with tube feeds to hospitalized patients might reduce the duration of serious sequelae from ARDS. Details: A small clinical trial in adults with ARDS shows that administering ginger extract 120 mg in three divided doses daily via nasogastric tubing for 21 days increases the number of ventilator-free days and the amount of feeding tolerated and decreases the number of intensive care unit (ICU) days when compared with placebo. However, it does not seem to improve overall mortality (20343). Also, another small clinical study shows that adding ginger extract 120 mg to tube feeds in three divided doses daily for 8-21 days improves blood oxygen levels by 13% to 20%, as well as the ability of the lungs to expand by 17%, when compared with a coconut oil placebo. The duration of mechanical ventilation and stay in the ICU also improved. However, ginger does not affect other measurements of lung function or physical organ damage in these patients (89886).
Allergic rhinitis (hay fever). It is unclear if oral ginger is beneficial in allergic rhinitis. Details: A small clinical trial shows that taking ginger extract 500 mg daily for 6 weeks is as effective as loratadine 10 mg daily for reducing nasal symptoms of allergic rhinitis (103359).
Antiretroviral-induced nausea and vomiting. Oral ginger seems to improve nausea and vomiting in patients using antiretroviral agents. Details: A small clinical study in patients with HIV shows that taking ginger 0.5 grams twice daily, 30 minutes prior to each dose of antiretroviral for 14 days, reduces the relative likelihood of nausea and vomiting by about 63% and 79%, respectively, when compared with placebo (89887).
Asthma. Although there has been interest in using oral ginger for asthma, there is insufficient reliable information about the clinical effects of ginger for this condition.
Back pain. Although there has been interest in using oral ginger for back pain, there is insufficient reliable information about the clinical effects of ginger for this condition.
Burns. Although there has been interest in using topical ginger for burns, there is insufficient reliable information about the clinical effects of ginger for this condition.
Cancer-related anorexia. It is unclear if oral ginger improves appetite in people with cancer-related anorexia. Details: A small clinical study in patients with cancer-related anorexia and cachexia shows that taking a capsule containing ginger 1650 mg daily for 14 days improves nausea, appetite, reflux, dysmotility, and other gastrointestinal symptoms when compared to baseline (102460). The validity of these findings is limited by the lack of comparator group.
Chemotherapy-induced nausea and vomiting (CINV). Most clinical research shows that oral ginger does not reduce acute or delayed CINV. The effect of ginger might depend on the dose, the other antiemetics used, or the specific chemotherapy regimen. Details: Most clinical research shows that taking ginger as adjunct to adequate antiemetic therapy does not reduce DELAYED CINV when compared with antiemetic therapy alone (20316,96260,89891,96675,97538,97541,101760,102461). Clinical research from meta-analyses and most individual clinical studies also show that taking ginger 0.5-3.5 grams as an adjunct to standard antiemetic therapy does not reduce the incidence or severity of ACUTE CINV when compared with antiemetic therapy alone (89891,96675,101760,102461,102466). However, conflicting results exist from some individual clinical studies (20316,102466). These individual studies evaluated powdered ginger root or liquid extract of ginger root 0.5-2 grams taken in two to four divided doses daily, starting on either the day of or 3 days before chemotherapy and continuing for 3-5 days after chemotherapy initiation (20316,102466). Also, one small study shows that ginger in doses of 1 gram or less for more than 3 days reduces the likelihood of acute vomiting by 60% (101760). More research is needed to confirm the efficacy of this lower dose. Reasons for the conflicting results are unclear, but several theories have been postulated. One theory is that ginger might help reduce CINV associated with some, but not all, chemotherapy regimens. One preliminary clinical study shows that ginger 500 mg twice daily for 3 days reduces vomiting in patients receiving cyclophosphamide and doxorubicin, but not in patients also receiving 5-fluorouracil or docetaxel (96251). However, since there is limited evidence supporting this theory, additional research is needed to confirm. Another theory is that ginger helps when used with certain antiemetic drugs, but not others. For example, ginger seems to help in cases when optimal antiemetic therapy, such as 5-HT3 receptor antagonists, is not available. Small clinical studies show that ginger reduces the severity of acute nausea when compared with prochlorperazine or metoclopramide, both of which are suboptimal antiemetic therapy for CINV (89891). Another small study shows that ginger is comparable to metoclopramide for improving delayed chemotherapy-induced nausea (13244). On the other hand, several studies show that taking ginger 0.5-2 grams daily along with antiemetic therapy that includes aprepitant does NOT improve acute or delayed CINV (20318,89891,96251,96675). In fact, one study found an association between concomitant use of ginger 2 grams daily with aprepitant and worsened severity of delayed nausea. Ginger is hypothesized to decrease the absorption of aprepitant and reduce its effectiveness for delayed nausea (20318,96675). However, this effect has not been replicated, and aprepitant serum levels were not measured to confirm this hypothesis. Finally, many of the studies showing a benefit of ginger for CINV when used as an adjunct to standard antiemetic therapy are considered to be methodologically flawed (20317,96252,96677). For instance, one study using powdered ginger root 1-2 grams daily during the first three days of chemotherapy in children and adults (20317) has been criticized for inaccurately representing data (89891). Other studies of ginger 500 mg twice daily for up to 10 days used questionable methods to measure outcomes and usually did not differentiate between acute and delayed CINV (96252,96677). Ginger essential oil aromatherapy has also been evaluated. One small study shows that using two drops of ginger essential oil on an aromatherapy necklace for 2 minutes daily for 5 days, starting on the first day of chemotherapy, reduces acute nausea, but not vomiting or delayed nausea, when compared with placebo in females with breast cancer taking standard antiemetics including granisetron, dexamethasone, and metoclopramide (96256).
Chronic obstructive pulmonary disease (COPD). Oral ginger has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Clinical research shows that taking two capsules of a specific combination product (AKL1, AKL International Ltd.) containing ginkgo extract, ginger, and Picrorhiza kurroa twice daily for 8 weeks does not improve respiratory symptoms when compared with placebo in patients with COPD (89702). Another moderate-sized clinical study in adults with COPD shows that taking a combination product containing extracts of ginger, alpinia, cardamom, cinnamon, and saffron in honey 3 times daily for 8 weeks improves confidence in leaving home and the ratio of forced exploratory volume per second to forced vital capacity of the lungs (FEV1/FVC) when compared with placebo. However, the combination product does not improve most measures of respiratory function or symptoms such as cough, phlegm, chest tightness, dyspnea, reduced energy levels, sleeping disorders, or activity limitations when compared with placebo (111542). It is unclear if these effects are due to ginger, other ingredients, or the combination.
Colic. Although there has been interest in using oral ginger for colic, there is insufficient reliable information about the clinical effects of ginger for this condition.
Constipation. Although there has been interest in using oral ginger for constipation, there is insufficient reliable information about the clinical effects of ginger for this condition.
Coronavirus disease 2019 (COVID-19). It is unclear whether oral ginger is beneficial for patients with COVID-19. Details: Clinical research in adults hospitalized with asymptomatic COVID-19 infection shows that taking ginger 1.5 grams twice daily orally until hospital discharge reduces length of stay from around 8.5 days to 6 days, when compared with placebo. The strongest effect is seen in males over 60 years of age (110005). The relevance of these results is reduced by a lack of blinding, and the fact that the subjects were initially asymptomatic. The efficacy of ginger for treating COVID-19 has also been evaluated in combination with other ingredients. In adults with uncomplicated, moderate COVID-19, taking a combination of ginger, turmeric, ashwagandha, and boswellia (BV-4051, Artovid-20), 1776 mg twice daily orally for 14 days in addition to standard care and starting 48-96 hours after symptom onset, reduces the mean duration of symptoms from about 8 days to 7 days, when compared with placebo (109899). A small open-label study in adults with confirmed mild to moderate COVID-19 shows that taking ginger 1000 mg and ashwagandha 500 mg twice daily for 15 days, along with conventional therapy, leads to a 13.8-fold and 2.6-fold increase in the relative rate of clinical cure at 7 days and 15 days, respectively, when compared with conventional therapy alone. Taking this combination also appears to reduce time to recovery by around 6 days but does not improve the rate of negative COVID-19 tests, chest imaging findings, viral clearance, serum antibodies, or other measures of disease progression when compared with conventional therapy alone (112094). The validity of these findings is limited by a lack of blinding, and the study may have been inadequately powered to detect a difference between groups. Additionally, it is unclear if these effects are due to ginger, ashwagandha, or the combination.
Diabetes. Some preliminary clinical studies suggest that oral ginger might have a small beneficial effect on glycemic control in patients with type 2 diabetes or gestational diabetes. Details: Meta-analyses of several small clinical trials in adults with type 2 diabetes show that taking ginger 1200-3000 mg daily for 8-13 weeks reduces glycated hemoglobin (HbA1c) by around 0.6% to 1% and fasting blood glucose by 19-21 mg/dL when compared with placebo (96680,107898). Additionally, a small clinical study in adults with diabetes on hemodialysis for end stage renal disease shows that taking ginger powder 2000 mg daily for 8 weeks reduces fasting blood glucose and measures of insulin resistance, but not serum insulin levels, when compared with placebo (111543). In patients with gestational diabetes at weeks 24-28 of pregnancy, clinical research shows that taking ginger 1500 mg daily in three divided doses for 6 weeks reduces fasting blood glucose, insulin levels, and measures of insulin resistance by a small amount when compared with placebo, with no effect on postprandial glucose levels (103358).
Diarrhea. Although there has been interest in using oral ginger for various types of diarrhea, including cholera and acute bacterial dysentery, there is insufficient reliable information about the clinical effects of ginger for these conditions.
Dry mouth. It is unclear if rinsing the mouth with ginger extract is beneficial for dry mouth. Details: In patients with dry mouth related to type 2 diabetes, clinical research shows that use of a ginger extract 25% mouthwash 20 mL three times daily for 14 days modestly reduces symptoms of dry mouth when compared with rinsing with a saline control mouthwash (106068). Although this study was indicated as being triple-blind, it is unclear how the taste of ginger was masked.
Dyspepsia. It is unclear if oral ginger is beneficial for dyspepsia. Details: In patients with dyspepsia, a small clinical trial shows that a single dose of ginger root powder 1.2 grams, taken 1 hour prior to eating, does not reduce abdominal discomfort when compared with placebo. However, it increases the rate of gastric emptying (20325).
Erectile dysfunction (ED). It is unclear if oral ginger is beneficial for erectile dysfunction. Details: Preliminary clinical research in middle-aged males with ED shows that taking two capsules of a specific combination product (Revactin, MD Concepts LLC) containing ginger root 250 mg, muira puama 250 mg, guarana 250 mg, and L-citrulline 800 mg twice daily for 3 months improves scores related to erectile function and intercourse satisfaction, but does not improve sexual desire or orgasmic function scores, when compared to baseline (103224). This study is limited by the lack of a placebo control, the use of per-protocol analysis, and a high dropout rate. In fact, 44% of patients withdrew in order to resume use of phosphodiesterase type 5 (PDE5) inhibitors. Further, it is unclear if these effects are due to ginger, other ingredients, or the combination.
Gastroenteritis-associated nausea and vomiting. It is unclear if oral ginger is beneficial for children with gastroenteritis-associated vomiting. Details: In children aged 1-10 years with acute gastroenteritis-associated vomiting, clinical research shows that taking a single dose of ginger reduces the risk of vomiting at least once in the subsequent 8 hours by 20% when compared with placebo. The incidence of vomiting over the next 24 and 48 hours was also modestly reduced. The children were given 20 drops of ginger equivalent to 10 mg immediately, followed by every 8 hours until cessation of vomiting. All children were offered hypotonic oral rehydration solution (ORS) 30 minutes after the first dose (106076). The number of children accepting ORS, and the quantity of ORS consumed, was less in the group receiving placebo. It is unclear if this affected the outcomes of this study. Also, the incidence or severity of nausea was not investigated.
Hangover. It is unclear if oral ginger is beneficial for managing symptoms of hangover. Details: Preliminary clinical research shows that use of a decoction containing a combination of ginger 6 grams, pith of Citrus tangerine 3 grams, and brown sugar decreases symptoms of alcohol hangovers, including nausea, vomiting, and diarrhea, when compared with placebo. The decoction was taken once 5 hours prior to drinking alcohol or four times after drinking alcohol (20320).
Hyperlipidemia. Oral ginger may be modestly beneficial for some patients with hyperlipidemia. Details: A meta-analysis of preliminary clinical research in adults with and without hyperlipidemia shows that taking ginger 200-3000 mg orally daily for 2-24 weeks reduces triglyceride and low-density lipoprotein cholesterol levels by 12 mg/dL and 5 mg/dL, respectively, and increases high-density lipoprotein cholesterol levels by 1 mg/dL when compared with placebo (109521). However, the validity of this study is limited by high heterogeneity. A clinical study in adults with hyperlipidemia shows that taking ginger powder 1 gram three times daily for 45 days reduces triglyceride and cholesterol levels by an additional 36% and 90%, respectively, when compared with placebo (20327).
Hypertension. It is unclear if oral ginger is beneficial for lowering blood pressure. Details: A preliminary clinical study in patients with diabetes and elevated systolic blood pressure shows that drinking black tea containing ginger 3 grams three times daily for 8 weeks does not reduce blood pressure by a clinically significant amount when compared with plain black tea (96669).
Hypothyroidism. It is unclear if oral ginger is beneficial in patients with hypothyroidism. Details: A small clinical study in patients with primary hypothyroidism who are stabilized on thyroid hormone therapy shows that taking ginger powder 500 mg twice daily for 30 days improves symptoms associated with hypothyroidism, including cold intolerance, constipation, dizziness, dry skin, weight gain, and concentration and memory issues, when compared with placebo. However, ginger supplementation does not seem to improve hair loss, hearing, nail fragility, speech, or feelings of depression in these patients (107903).
Insect bite. It is unclear if topical ginger is beneficial for reducing the size of insect bites. Details: Preliminary clinical research shows that a topical application of Trikatu, which contains ginger, long pepper, and black pepper extracts with 0.074% piperine and 0.046% gingerol, does not reduce the papule size associated with mosquito bites when compared with a control compound containing the same base ingredients of camphor 2%, menthol 2%, and eucalyptus oil 4% (89893).
Intraoperative nausea and vomiting (IONV). It is unclear if oral ginger is beneficial for preventing IONV. Details: Clinical research in individuals undergoing elective C-section and receiving cimetidine and metoclopramide, shows that taking ginger 1 gram orally 30 minutes prior to anesthesia reduces the number of episodes of intraoperative nausea, but not vomiting, when compared with placebo (89890). In other clinical research in adults undergoing elective surgical procedures, adding ginger to a high calorie drink consumed pre-operatively reduces the incidence of nausea from 40% to 10%, and the incidence of vomiting from 25% to 10% when compared with the high calorie drink alone (110007). The validity of these results is unclear as only patients were blinded to the treatment group.
Irritable bowel syndrome (IBS). Oral ginger might reduce symptoms of IBS when used in combination with other ingredients; its effect when used alone is unclear. Details: A small clinical trial shows that taking ginger 1-2 grams daily for 28 days does not improve symptoms or the number of responders when compared with placebo (90102). However, some research shows that ginger might be beneficial in some patients when used along with other herbal ingredients. Taking a capsule containing ginger, boswellia, and yarrow three times daily for 30 days reduces the frequency and severity of abdominal pain, as well as the severity of bloating, when compared with placebo in females, but not males, with mild to moderate IBS (96673). Another clinical study shows that taking an herbal mixture containing ginger, English horsemint, and purple nut sedge tuber three times daily for 8 weeks improves IBS symptoms including abdominal pain, stool frequency, stool consistency, incomplete evacuation, and urgency, when compared to baseline; these improvements are similar to those achieved by taking mebeverine 135 mg three times daily (89900). However, it is unclear if these effects are due to ginger, other ingredients, or the combination.
Joint pain. Oral ginger has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Clinical research shows that taking a specific combination product (Instaflex Joint Support, Direct Digital) containing glucosamine sulfate 1500 mg, methylsufonlylmethane 500 mg, white willow bark extract 250 mg, ginger root concentrate 50 mg, Boswellia extract 125 mg, turmeric root extract 50 mg, cayenne 40 m H.U. 50 mg, and hyaluronic acid 4 mg in three divided doses daily for 8 weeks reduces joint pain severity by 37% compared to only 16% with placebo. However, it does not improve joint stiffness or function when compared with placebo (89560). It is unclear if these effects are due to ginger, other ingredients, or the combination.
Menorrhagia. It is unclear if oral ginger is beneficial for menorrhagia. Details: Preliminary clinical research in healthy adults experiencing heavy menstrual bleeding shows that taking ginger 250 mg three times daily for 4 days, starting the day prior to menstruation, and repeating for three menstrual cycles, reduces the amount of menstrual bleeding when compared with placebo (96672).
Menopausal symptoms. Although there has been interest in using oral ginger for menopausal symptoms such as insomnia, there is insufficient reliable information about the clinical effects of ginger for this purpose.
Migraine headache. Small clinical studies suggest that oral ginger may modestly reduce migraine pain severity and duration. However, taking ginger doesn't seem to PREVENT migraines. Details: Ginger does not seem to be effective for the prevention of migraines. Clinical research in patients with episodic migraine shows that taking ginger extract 200 mg three times daily for 3 months does not reduce the number of migraine attacks, the use of analgesics, or the number of days with pain, any more than taking placebo (101761). However, ginger may be beneficial for the treatment of migraine. Clinical research shows that taking ginger extract 400 mg orally in the emergency room along with intravenous ketoprofen 100 mg reduces pain over the next 2 hours when compared with ketoprofen and placebo. This combination also resulted in an overall better response with a higher likelihood of having no or mild pain with treatment (101762). Taking ginger 250 mg at the onset of a common migraine headache seems to be as effective as taking sumatriptan 50 mg for reducing headache severity within two hours of treatment (89894). Furthermore, a combination of ginger and feverfew (GelStat Migraine, GelStat Corporation; LipiGesic M, PuraMed BioScience), administered sublingually at the onset of a migraine attack, decreases the duration and intensity of migraine pain when compared with placebo (19357,22602). It is unclear if these effects are due to ginger, feverfew, or the combination. Feverfew alone has demonstrated some benefit in treating migraines.
Multiple sclerosis (MS). It is unclear if oral ginger is beneficial for MS. Details: A small clinical study in adults with MS shows that taking ginger 500 mg three times daily for 12 weeks reduces disability scores and improves physical and psychological quality of life scores when compared with placebo (111541).
Nonalcoholic fatty liver disease (NAFLD). It is unclear if oral ginger is beneficial for NAFLD. Details: A small clinical study in patients with NAFLD shows that taking ginger root 1500 mg daily for 12 weeks reduces low-density lipoprotein (LDL) cholesterol and fasting blood glucose levels, but does not affect triglycerides, high-density lipoprotein (HDL) cholesterol, insulin resistance, blood pressure, or fatty liver index, when compared with placebo (102465).
Obesity. Oral ginger has primarily been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Although some individual research disagrees (40802), a meta-analysis and most individual clinical trials show that taking ginger alone or with other ingredients does not reduce weight by a clinically significant amount when compared with placebo in overweight or obese individuals (20346,20347,96676,109521). Ginger has been taken alone or in combination with green tea and capsaicin; rhubarb, astragalus, red sage, turmeric, and gallic acid (Number Ten); or raspberry ketone (Razberi K, Integrity Nutraceuticals), caffeine, capsicum extract (Capsimax, OmniActive Health Technologies), bitter orange fruit (Advantra Z, Nutratech Inc), L-theanine, and black pepper fruit extract (Biperine, Sabinsa Corporation) (Prograde Metabolism) (20346,20347,40802,96676). Due to the various other ingredients contained in available formulations, any effect from ginger is unclear.
Parturition. It is unclear if bathing in a ginger bath is beneficial for shortening the duration of labor. Details: Preliminary clinical research shows that bathing in 228 liters of water containing 4 drops of ginger essential oil does not shorten the duration of labor when compared with a regular bath (20345).
Polycystic ovary syndrome (PCOS). It is unclear if oral ginger is beneficial for females with PCOS. Details: Preliminary clinical research in females with PCOS shows that taking ginger 500 mg three times daily orally for 8 weeks decreases body weight, body mass index, and levels of follicle stimulating hormone and luteinizing hormone, when compared with placebo. It does not affect testosterone levels (110006).
Postoperative nausea and vomiting (PONV). Evidence for the use of oral ginger for preventing PONV is inconclusive and conflicting. Reasons for the conflicting findings may relate to the ginger formulation used and the outcomes measured. It is unclear if ginger aromatherapy is beneficial for PONV. Details: Some individual clinical studies, as well as a large, recent meta-analysis of the available clinical research, show that taking ginger by mouth 1 hour prior to surgery does not reduce the incidence of 24-hour PONV (3452,3453,17369,99445). Also, the meta-analysis found that, although ginger reduces the severity of PONV when measured on a visual analogue scale (VAS), it does not reduce the severity of PONV when measured on a verbal descriptive scale (VDS). Furthermore, ginger does not reduce the use of rescue antiemetic medications (99445). However, some small, individual clinical studies and a meta-analysis of older clinical research show that taking ginger by mouth prior to surgery reduces the incidence of 24-hour PONV by up to 16% to 38% (722,723,1919,13237,20336,20338,20339). In addition, large clinical trials show that the frequency and severity of PONV 2-6 hours after surgery are similar when ginger 1 gram is given orally or when medications such as metoclopramide or dexmedetomidine are given intravenously prior to undergoing anesthesia (103356,103360). However, taking ginger prior to general anesthesia, in combination with other antiemetics like dexamethasone or cimetidine and metoclopramide, does not seem to reduce nausea and vomiting when compared with the other medications alone (20337,89890). In contrast, other research shows that powdered ginger 1-2 grams 30-60 minutes before induction of anesthesia has been used in most studies showing benefit, occasionally followed by 1 gram of ginger administered two hours after surgery (722,723,13237,20336,20338,103356,103360). Ginger aromatherapy has also been evaluated for the prevention of PONV. Application of 5% ginger essential oil to the wrists of patients prior to the induction of general anesthesia seems to prevent PONV in approximately 80% of treated patients (20334). Also, use of ginger essential oil aromatherapy on a gauze pad results in nausea relief in approximately 67% of patients compared with 40% in the placebo group; however, a blend of essential oils including ginger, spearmint, peppermint, and cardamom, results in nausea relief in 82% of patients (89888).These conflicting findings may be due to differences in outcome measures and the chemical compositions of ginger preparations used in the various clinical studies. Some evidence suggests that the efficacy of ginger for preventing PONV differs based on the formulation used. A network meta-analysis of 18 studies evaluating various ginger preparations, including ginger oil, ginger powder, ginger extract, and a combination of ginger powder and antiemetics, for the prevention of PONV suggests that ginger powder and ginger oil are the most effective formulations for preventing nausea and vomiting, respectively. The analysis also shows that while no ginger formulation is superior to another for the prevention of nausea, ginger powder and ginger oil have a lower risk of postoperative vomiting when compared with ginger extract. A subgroup analysis suggests that ginger seems to be most effective in adults over 30 years of age, when administered preoperatively, and when used for gastrointestinal, hepatobiliary, obstetric, or ophthalmic surgeries (112108).
Postoperative recovery. It is unclear if oral ginger is beneficial for postoperative recovery. Details: One preliminary clinical study in adults who had a tonsillectomy shows that taking a specific ginger supplement (Solgar, Leonia) 500 mg twice daily for 7 days along with acetaminophen and antibiotics modestly improves pain and wound healing when compared with acetaminophen and antibiotics alone (96674).
Postpartum complications. It is unclear if oral ginger is beneficial in patients with postpartum pain. Details: A small clinical study in patients recovering from vaginal delivery shows that taking ginger powder 500 mg 8-hours post-delivery, followed by 250 mg every 8 hours thereafter for 24 hours, reduces postpartum pain by nearly 1 point on a 10-point rating scale when compared with placebo (107904). It is unclear if this improvement would be considered clinically relevant.
Rheumatoid arthritis (RA). One small clinical study suggests that oral ginger may improve some symptoms of RA. Details: Preliminary clinical research in adults with RA shows that taking ginger powder 1500 mg daily for 12 weeks improves disease activity on the Disease Activity Score-28 when compared with placebo (100697).
Swallowing dysfunction. The effects of oral ginger for treating swallowing dysfunction are inconclusive. Reasons for the conflicting findings may relate to the route of administration or the number of treatments provided. Details: Clinical research shows that applying a spray containing ginger and clematix root (Tongyan) to the oropharynx for 28 days is more effective than placebo at treating grade 2 or 3 dysphagia in stroke victims. However, there does not seem to be a beneficial effect in patients with grade 1 dysphagia (20342). Other clinical research in elderly patients with dysphagia shows that taking a single dose of ginger 2 mg orally does not improve swallowing but increases saliva (96671). It is possible that a single dose of ginger is not enough to improve swallowing function.
Toxin-induced liver damage. Oral ginger might help to prevent liver damage in patients using antimycobacterial drugs. Details: Preliminary clinical research shows that a specific ginger supplement (Zintoma, Goldaru) 500 mg taken 30 minutes prior to antimycobacterial drugs daily for 4 weeks reduces the percentage of patients experiencing an increase in liver function enzymes to greater than five times the upper limit of normal by 54% when compared with placebo. Antimycobacterial drugs used for tuberculosis in the study included isoniazid 5 mg/kg, rifampin 10 mg/kg, ethambutol 15 mg/kg, and pyrazinamide 25 mg/kg daily (96670).
Traumatic brain injury (TBI). Oral ginger has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary research in young adults with subjective memory dysfunction associated with mild TBI, shows that taking a combination of ginger 36 mg and boswellia 360 mg (Memoral) every 8 hours orally for one month improves scores for some, but not all, parameters on an auditory-visual learning test performed at one and three months, when compared with placebo. Total learning scores increased by about 7.5 points with the ginger combination product, compared with 4 points for placebo (110132). It is unclear if these effects are due to ginger, boswellia, or the combination.
Ulcerative colitis. It is unclear if oral ginger is beneficial for improving symptoms of ulcerative colitis. Details: Preliminary clinical research in adults with ulcerative colitis shows that taking ginger powder 1000 mg twice daily for 12 weeks improves disease activity as measured by the Simple Clinical Colitis Activity Index Questionnaire when compared with taking placebo. However, taking ginger did not improve quality of life, stool frequency, bowel distress, or flatulence when compared with placebo (100694). It is possible that this study was not adequately powered to detect a difference in these secondary outcomes.
Upper respiratory tract infection (URTI). Although there has been interest in using oral ginger for various upper respiratory tract infections, there is insufficient reliable information about the clinical effects of ginger for this condition.
Vertigo. It is unclear if oral ginger is beneficial for improving symptoms of vertigo. Details: A small clinical study shows that taking 1 gram of ginger orally as a single dose prior to stimulated vertigo seems to reduce symptoms of vertigo, including nausea, when compared with placebo. However, it does not seem to reduce nystagmus (7623). More evidence is needed to rate ginger for these uses.

(Read more about GINGER)

HONEY (natural Honey)

POSSIBLY EFFECTIVE

Burns. Topical application of gauze containing honey seems to improve burn healing. Details: Honey applied directly in gauze applications seems to improve formation of granulation tissue and speed healing time in partial thickness burns. The benefits of honey appear to be comparable to topical antibiotics, including silver sulfadiazine and moisture permeable polyurethane dressing (OpSite) (395,396,397,398,399,14317,55175,55200,55204,55264)(91363,97696). In these studies, honey has been used under dressings or impregnated in gauze as needed for up to 12 weeks. The duration between changing of dressings or gauze has varied (395,396,397,398,399,55175,55200,55204,55264,91363). One small clinical study in adults with moderate burns shows that early surgical intervention with tangential excision and skin grafting appears to improve outcomes when compared with honey (7848). However, poor study design limits the reliability of these findings.
Cough. Most studies show that oral honey reduces cough in children. It is unclear whether oral honey is beneficial for cough in adults. Details: Clinical research shows that taking honey 2.5-10 mL (0.5-2 teaspoons) at bedtime reduces nighttime cough frequency and severity and improves sleep when compared with placebo in children aged 2 years and older with upper respiratory tract infections (URTIs) (15910,55253,97693,103959). Honey also appears to be at least as effective as the cough suppressant dextromethorphan in typical over-the-counter doses (15910,17299,97693). The effects of honey on cough duration are not known (97693). One clinical study in children 1-5 years of age with URTIs and cough for up to 7 days shows that acacia honey is similarly effective to a honey-flavored placebo, given as 3 mL one hour before bedtime for 2 consecutive nights, for reducing cough frequency and severity and improving sleep (110003). However, this study may have been inadequately powered to detect a difference between groups. A meta-analysis of the available research suggests that honey does not improve cough in adults when compared with usual care (103959). However, due to the small number of available studies, the analysis might have been inadequately powered to detect a smaller magnitude of benefit. Some research in adults has also evaluated honey in combination with other ingredients. In adults with post-infectious cough of at least 3 weeks' duration, taking 25 grams of a paste in a warm water solution providing honey 20.8 grams and coffee 2.9 grams every 8 hours for one week reduces cough frequency by about 93% when compared with baseline. Those taking prednisolone experienced a cough reduction of 20% (91367). It is unclear if this effect is due to honey, coffee paste, or the combination.
Diabetic foot ulcers. Topical honey seems to be beneficial for diabetic foot ulcers. Details: A meta-analysis of mainly lower quality clinical trials including 267-616 patients with diabetic foot ulcers shows that applying dressings impregnated with honey for 1-2 weeks shortens the wound debridement and healing time and increases the rate of wound healing by moderate to large amounts when compared with other dressings (101032). Individual clinical studies also show that using dressings impregnated with manuka honey (Medihoney Tulle Dressing) or beri honey decreases healing time for diabetic foot ulcers by 11-12 days and reduces the need for antibiotics when compared with saline-soaked gauze (19739,91364,97701).
Dry eye. Specific manuka honey eyedrops seem to be modestly beneficial for improving symptoms of dry eye. Details: Most clinical research shows that specific honey products might be helpful for symptoms of dry eye (97694,97695,105231,105234). Preliminary clinical research shows that applying a specific manuka honey product (Optimel Manuka Plus Dry Eye Drops, Melcare Biomedical Pty Ltd) 2-3 times daily for 14 or 28 days reduces some, but not all, measures of eye discomfort (97694,105234). In patients with dry eye due to contact lenses, dry eye symptoms were reduced by about 18% when compared with baseline (97694). In patients with general mild dry eye symptoms, preliminary clinical research shows that symptoms were reduced by about 52% when compared with baseline (105234). These improvements were significant when compared with lubricant drops (97694,105234). Specific honey products also seem to be beneficial for dry eye associated with meibomian gland dysfunction. In these patients, preliminary clinical research shows that using Optimel Manuka Plus Eye Drops (Melcare, Biomedical Pty Ltd) or Optimel Antibacterial Manuka Eye Gel (Melcare Biomedical Pty Ltd) twice daily for 3 or 8 weeks along with warm compresses improves the function of the tear glands (97695,105231). In one study, 73% to 95% of participants using the honey products required less lubricant, compared with 48% of participants using warm compresses alone. However, the honey products did not improve bacterial counts, redness, or dryness (97695). In another study, eye dryness, lid margin, conjunctival redness, and meibomian gland function were modestly improved when compared with baseline. All improvements were statistically similar to the control group receiving a lubricant. However, patients using a lubricant did not experience an improvement in eye dryness when compared to baseline (105231).
Herpes labialis (cold sores). Applying honey to cold sores may heal lesions 2-4 days faster than conventional therapies. Details: A meta-analysis of three clinical trials, including one relatively large study, in patients with herpes labialis shows that applying honey to lesions 4-5 times daily reduces lesion healing time by around 2 days, although it does not improve pain when compared with acyclovir 5% cream (108526). Also, a small crossover trial in patients with recurrent cold sores shows that applying medical grade honey three times daily to lesions at the onset of symptoms or blistering reduces lesion healing time by around 4 days and improves symptoms such as pain and itching when compared with conventional treatments, which ranged from prescription antivirals to herbal remedies and wound care products (108527).
Herpetic gingivostomatitis. Slowly swallowing honey seems to be beneficial for herpetic gingivostomatitis treatment in children. Details: Clinical research in children aged 2-8 years with primary herpetic gingivostomatitis shows that use of a local honey 5 mL every 4 hours with slow swallowing, in combination with acyclovir 15 mg/kg five times daily for 7 days, results in the clearing of oral lesions 3 days faster when compared with acyclovir and a placebo syrup. Drooling and difficulties eating also improved faster, and pain and the need for analgesics were reduced. Fever and extra-oral lesions were not improved (101038).
Oral mucositis. Rinsing the mouth with and then slowly swallowing honey seems to be beneficial for oral mucositis prevention or treatment, although most research is lower quality. Details: Although contradictory evidence exists (55219,91361), most research shows that honey may have some benefit in preventing or reducing symptoms of oral mucositis (16352,55133,55137,55202,55241,55245,55265,91368,97704,104562). A meta-analysis of eight trials shows that applying honey reduces the development of intolerable oral mucositis lesions by approximately 52%. Applying honey to lesions also appears to reduce pain associated with oral mucositis; however, the number of studies included in this latter analysis was small (101035). Another meta-analysis suggests that pure natural honey may be more effective than manuka honey or local honey for treating oral mucositis (101034). However, these analyses have significant quality issues. They included studies that did not fit inclusion criteria and omitted studies that did fit inclusion criteria (103967). The majority of these studies have had patients rinse with and then slowly swallow up to 20 mL honey three times or more daily, usually before radiation therapy, 15 minutes after radiation therapy, and 6 hours after radiation therapy or at bedtime. Some studies have used honey topically or as ice chips or lozenges (16352,55133,55137,55202,55219,55241,55265,91361,97704,101034)(101035,104562). Also, rinsing the mouth and swallowing a paste of honey or honey and coffee 10 mL every 3 hours for one week has been used (91368). Preliminary clinical research in patients undergoing chemoradiation and using conventional treatments shows that a combination of licorice powder 5 grams mixed in honey and applied twice daily along with oral licorice powder 500 mg twice daily for 6 weeks also seems to reduce the risk of oral mucositis and severe symptoms when compared with conventional treatments alone (104562). However, it is not clear whether any benefit in this study is due to honey, licorice, or the combination. In pediatric intensive care patients aged 2-16 years, preliminary clinical research shows that applying a local honey, 1-1.5 grams/kg in two divided doses, with a spoon to the inside of the mouth, teeth, lips, and tongue, reduces the severity and development of oral mucositis when compared with using chlorhexidine. However, honey was not as effective as topical vitamin E (101036).
Rosacea. Topical honey seems to be beneficial for rosacea. Details: Clinical research in adults shows that applying a 90% medical-grade kanuka honey (Honevo) with glycerin to affected areas twice daily for 8 weeks and washed off after 30-60 minutes is more effective than Cetomacrogol, an emollient, for improving symptoms of rosacea. Approximately twice as many patients responded to the honey product when compared with Cetomacrogol cream (97699).
Wound healing. Topical honey seems to improve the healing of various types of wounds, although the optimal formulation and application regimen remains unclear. Details: Several small clinical trials and case reports describe the use of honey or honey-impregnated dressings for various types of wounds, including post-surgical wounds, chronic leg ulcers, abscesses, burns, abrasions, lacerations, and skin graft donor sites. Honey seems to improve granulation and epithelialization, reduce odors and purulent exudate, help clean the wound, increase eradication of infection, reduce pain, and decrease time to healing (7847,7849,14317,16354,16355,16357,16358,16360,16362,16369)(16372,16374,55109,55130,55144). Meta-analyses of clinical research show that applying honey reduces healing time of partial thickness burns by 4.7 days when compared with conventional dressing and about 5 days when compared with silver sulfadiazine. Honey also appears to improve healing time for postoperative wounds when compared with antiseptic washes followed by gauze (55264). In some reports, wounds healed with honey after failing previous treatments (16369,16371). Honey applied directly to wounds appears to be comparable to hydrogels such as carboxymethylcellulose, povidone iodine, and hypochlorite solutions (16355,16358,16360,16376,55235). Honey dressings also appear to be comparable to hydrocolloid dressings, paraffin gauze, nanocrystalline silver, and saline-soaked gauze (16358,16360,16372,55101). However, poor study design limits the reliability of some of these findings. Trials cannot be directly compared due to variation in wound type and severity, patient characteristics, honey type and processing, dressing techniques, treatment duration, and concomitant use of antibiotics. Adequate blinding is also difficult to achieve due to the distinctive properties and smell of honey (16360). Many of the clinical trials used manuka honey, which is derived from the nectar of Leptospermum scoparium and is gamma irradiated to inactivate bacterial spores (16355,16357,16362,16369,16371). Other trials used unprocessed honey (16358,16372). Honey dressings are typically changed every 24-48 hours, although in some cases dressings are changed only twice weekly (16355,16362,16372,16374,55101,55130,55235). In children aged 2 months to 14 years, honey soaked gauze has been packed into wounds twice daily until closure (16376). When used directly, unprocessed honey or manuka honey 15-30 mL has been applied and covered with sterile gauze and bandages or a polyurethane dressing. When applied directly, honey is typically used every 12-48 hours, although in some cases it has been used only once weekly (16354,16358,16369,16372,16376,55144).

POSSIBLY INEFFECTIVE

Acne. Topical honey does not seem to be beneficial for acne. Details: Clinical research in adolescents and adults 16 years of age and older shows that applying a 90% medical-grade kanuka honey (Honevo) with glycerine to the face twice daily after using an antibacterial soap does not improve facial acne when compared with antibacterial soap alone (97700).
Hyperlipidemia. Oral honey does not seem to improve lipid levels in patients with hyperlipidemia. Details: A meta-analysis of 15 small clinical studies in patients with hyperlipidemia shows that taking honey 20-75 grams daily for up to 4 months does not reduce total cholesterol, low-density lipoprotein (LDL) cholesterol, or triglyceride levels when compared with control (108533).
Rhinosinusitis. Intranasal honey does not seem to be beneficial for improving symptoms of chronic rhinosinusitis. Details: A small clinical study in adults who have undergone maximal medical and surgical treatment for allergic fungal rhinosinusitis shows that using 2 mL of an intranasal spray containing honey 50% in saline once daily at night for 30 days does not reduce symptoms when compared with usual treatment (55216). Manuka honey nasal spray also does not seem to work better than saline spray in adults with chronic rhinosinusitis. A small clinical study shows that manuka honey 10% (Medihoney, Derma Sciences) in saline sinus irrigation twice daily for 30 days is no more effective than saline irrigation for reducing overall symptoms (97705). Additionally, a small clinical study in patients with recalcitrant chronic rhinosinusitis shows that using manuka honey 16.5% twice daily augmented with 1.3 mg/mL methylglyoxal sinonasal rinses for 14 days is no better than taking targeted oral antibiotics and performing normal saline rinses twice daily (103969). However, this study was not adequately powered to detect a difference between treatment groups. Additional research is needed to determine if honey-containing nasal sprays are beneficial in circumstances with limited access to antibiotics or nasal steroids, or in patients with high immunoglobulin E (IgE) levels (55216,97705). Intranasal honey has also been evaluated in patients recovering from surgery for rhinosinusitis. A small clinical study in adults with chronic rhinosinusitis who have undergone endoscopic sinus surgery shows that applying 2 mL of Tualang honey to the nasal dressing, which remains in place for one week, results in similar improvements in symptoms when compared with a triamcinolone-containing dressing at 7, 14, and 28 days after surgery. However, at 3 months after surgery, triamcinolone seems to provide further improvement in rhinosinusitis symptoms and surgical recovery when compared with honey (108529).

INSUFFICIENT RELIABLE EVIDENCE to RATE

Allergic rhinitis (hay fever). It is unclear if oral honey is beneficial for hay fever. Details: Preliminary clinical research shows that consuming honey one tablespoon (20 grams) daily, in addition to standard treatment, does not improve allergy symptoms (14319). Other preliminary clinical research shows that ingesting honey 1 gram/kg daily for 4 weeks, in addition to taking loratadine 10 mg daily, may improve allergic symptoms during treatment and for up to 4 weeks following cessation of treatment. However, it's not clear if this improvement is significant when compared with loratadine alone (91360).
Alveolar osteitis. It is unclear if oral honey is beneficial for alveolar osteitis. Details: A small, low-quality clinical study in patients with alveolar osteitis after dental surgery shows that applying gauze soaked in 2 mL of honey, 3 times over 10 days, improves healing, pain, and formation of granulation tissue when compared with baseline (103961).
Asthma. Oral honey has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: One preliminary clinical study shows that taking a combination of honey and black seed modestly improves measures of lung function when compared with baseline in patients with moderate to severe asthma. However, another preliminary clinical study using this combination did not show improvement on all measures. Both studies were small and may not have been adequately powered to detect a difference in outcomes (105228). Other preliminary clinical research shows that taking a combination of honey and celery seed modestly improves some measures of lung function when compared with baseline (105228). It is unclear whether any benefit is due to honey, the other ingredient, or the combinations. Additionally, the validity of these studies is limited by the lack of a comparator group.
Athletic performance. Although there is interest in using oral honey to improve athletic performance, there is insufficient reliable information about the clinical effects of honey for this purpose.
Atopic dermatitis (eczema). It is unclear if topical honey is beneficial for atopic dermatitis. Details:In patients with bilateral atopic dermatitis, a small preliminary clinical trial shows that topical application of manuka honey to one site overnight for 7 days improves lesions when compared to baseline (105239). The validity of this finding is limited by the lack of a placebo comparator group.
Blepharitis. It is unclear if topical honey is beneficial for blepharitis. Details: A small clinical study in patients with blepharitis shows that applying MGO Manuka Honey microemulsion (Manuka Health New Zealand Ltd) eye cream to closed eyelids nightly for 3 months improves symptoms of dry eye and reduces ocular mites and bacterial load when compared with no intervention (103962). The validity of this finding is limited by the lack of a placebo comparator group.
Cataracts. Although there is interest in using topical honey for cataracts, there is insufficient reliable information about the clinical effects of honey for this condition.
Catheter-related infections. It is unclear if topical medical honey is beneficial for preventing catheter-related infections in patients on hemodialysis or in those with diabetes. Details: Preliminary clinical research shows that manuka honey (Medihoney, Medihoney Pty Ltd) applied three times weekly to the exit sites of tunneled, cuffed central venous hemodialysis catheters is as effective as mupirocin ointment in reducing the incidence of catheter-associated infection and bacteremia. It may also be associated with a lower rate of bacterial resistance than mupirocin (16361). A retrospective analysis also found that use of povidone iodine for dialysis catheter site care is associated with a 58% increased cumulative incidence rate of exit-site infections or peritonitis when compared with use of medical honey. Patients were followed from catheter insertion until catheter removal, transplant, death, or end of treatment (101039). However, well-designed clinical research shows that application of antibacterial honey (Medihoney Antibacterial Wound Gel, Comvita) 10 mg at the exit site along with standard care is no more effective than standard care alone for reducing dialysis-related infections (91362). It is unclear if honey reduces the risk of catheter-related infection in patients with diabetes. Some evidence shows that applying an antibacterial honey product approximately doubles the risk of infection and peritonitis in patients with diabetes when compared with no honey (91362). However, a large retrospective analysis found that exit-site application of honey was associated with a lower chance of peritoneal dialysis-related infection when compared with povidone iodine, even in patients with diabetes (101039).
Chemotherapy-related fatigue. Oral honey has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in patients with breast cancer and chemotherapy-related fatigue shows that taking a specific product (Jollab tonic beverage) containing honey, saffron, and rose water, as 20 mL three times daily for 4 weeks, reduces scores on a cancer fatigue scale when compared with placebo. Scores on a visual analog fatigue scale and on a fatigue severity scale were only improved when compared with baseline, not placebo (110001).
Corneal opacity. Although there is interest in using topical honey for corneal opacity, there is insufficient reliable information about the clinical effects of honey for this purpose.
Corneal ulceration. It is unclear if honey-containing ophthalmic drops are beneficial for corneal ulceration. Details: A small clinical study in patients with foreign body-induced corneal ulceration shows that applying ophthalmic drops containing honey into the affected eye every 6 hours for 14 days might speed up healing of corneal epithelial defect, but does not improve corneal infiltration, when compared with using ciprofloxacin eye drops. The honey in these drops was produced from the nectar of various ziziphus species (103968). The validity of this study is limited by its small size and short duration.
Diabetes. It is unclear if oral honey is beneficial for diabetes. Details: In patients with type 2 diabetes, small clinical trials show that taking honey 50 grams or 1-2.5 grams/kg daily for 8 weeks increases glycated hemoglobin (HbA1c) levels by a small amount (55182,105235). However, lower doses of 5-25 grams daily for 16 weeks or 0.5 grams/kg daily for 12 weeks seem to have no effect on HbA1c and may modestly reduce levels when compared to baseline or no treatment (105230,105236). Also, although some research disagrees, taking honey does not seem to affect fasting levels of insulin or glucose, or measures of insulin resistance (105230,105235,105236). There is conflicting evidence regarding the effects of honey on lipid levels in patients with diabetes. Some preliminary clinical research shows that consuming honey 0.5-2.5 grams/kg daily modestly decreases total cholesterol, low-density lipoprotein (LDL) cholesterol, and triglycerides, and modestly increases high-density lipoprotein (HDL) cholesterol (55182,105230), while other research does not show any effect on plasma lipids (105236). In patients with type 1 diabetes, one clinical study shows that taking honey 0.5 mL/kg daily for 12 weeks decreases fasting blood glucose, total cholesterol, triglycerides, and LDL cholesterol when compared with control (55263).
Diabetic neuropathy. It is unclear if oral honey is beneficial for diabetic neuropathy. Details: In patients with mild to moderate diabetic neuropathy who are taking antidiabetes medications and gabapentin, preliminary clinical research shows that taking honey 0.5 gram/kg daily in water for 3 months modestly reduces nerve pain and improves quality of life when compared with baseline. Nerve conduction was generally not affected (105230). The validity of this study is limited by the lack of an appropriate control group.
Diarrhea. Small clinical studies suggest that oral honey is beneficial in children and infants with diarrhea. Details: One small clinical study in children and infants with gastroenteritis shows that adding honey to oral rehydration solution (ORS) at a concentration of 50 mL per liter ORS decreases the frequency of vomiting and diarrhea, and reduces recovery time when compared with ORS alone (55194). Other clinical research shows that adding honey to ORS at the same concentration reduces the duration of diarrhea by about 1.4 days when compared with standard ORS in infants and children with bacterial gastroenteritis, but not when all types of gastroenteritis are considered (55273). Another small clinical study in children hospitalized with acute diarrhea shows that taking 1.5-2 mL of honey every 6 hours for 5 days plus 5 mL of zinc gluconate syrup, providing 5 mg of elemental zinc, every 6 hours for 10 days reduces the duration of diarrhea by 6.5 hours and the duration of hospitalization by 24 hours when compared with zinc gluconate alone (108534).
Dry mouth. It is unclear if oral honey is beneficial for dry mouth associated with intubation. Details: Preliminary clinical research in a small group of intubated adults in an intensive care unit shows that applying Indonesian honey 20 mL to all areas of the mouth with a brush and gauze swab twice daily for 3 days, in addition to standard oral care with 20 mL chlorhexidine gluconate 0.2%, improves overall oral health scores on a modified Beck Oral Assessment Scale when compared with chlorhexidine alone (110002).
Dysmenorrhea. It is unclear if oral honey is beneficial for dysmenorrhea. Details: Preliminary clinical research shows that taking honey 1.2 mg/kg daily, starting on the 15th day of the menstrual cycle and continuing until the onset of menstruation, is comparable to mefenamic acid 250 mg every 6 hours for reducing pain associated with dysmenorrhea (97702).
Gingivitis. It is unclear if chewing "leather" made from manuka honey is beneficial for gingivitis. Details: Preliminary clinical research shows that chewing "leather" made from manuka honey after meals for 21 days reduces plaque severity and the number of bleeding sites when compared to baseline in patients with gingivitis and plaque (55091).
Hemorrhoids. Topical honey has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research shows that applying a spoonful of a mixture containing equal volumes of honey, olive oil, and beeswax to the skin twice daily for up to 4 weeks reduces bleeding and itching when compared to baseline in patients with hemorrhoids (34100). It is not clear if these effects are due to honey, the other ingredients, or the combination.
Genital herpes. It is unclear if topical honey is beneficial for genital herpes. Details: Preliminary clinical research shows that applying a gauze soaked with honey four times daily to the lesion until healing does not improves symptoms or healing time (55095).
Impaired glucose tolerance (prediabetes). It is unclear if oral honey is beneficial for prediabetes. Details: Preliminary clinical research shows that taking honey does not improve glycemic control or lipid levels in patients with prediabetes. In one study, taking honey (Dutch Gold Honey) providing 50 grams of carbohydrates daily for 2 weeks does not improve these measures when compared with sucrose or corn syrup providing similar amounts of carbohydrates (105238). In another study, taking Malaysian Kelulut honey (Bayu Kelulut) 30 grams daily for 30 days was not beneficial (105237). The validity of these studies is limited by the lack of an appropriate control group.
Leishmania lesions. It is unclear if topical honey is beneficial for leishmania lesions. Details: Some research shows that honey might prevent the healing of leishmania lesions. One preliminary clinical study shows that applying honey-soaked gauze onto leishmania lesions twice daily for 6 weeks in addition to receiving a glucantime injection reduces the proportion of patients with healed wounds by about 28% when compared with glucantime injection alone (55118).
Male infertility. Intravaginal honey has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research shows that applying 10 mL of a combination mixture containing various bee products intravaginally immediately before or after each coital act, beginning one day after the last menstruation and continuing for three menstrual cycles or until pregnancy, increases pregnancy rate from 3% to 8% when compared to standard intrauterine insemination in couples having difficulty getting pregnant due to male asthenozoospermia. However, since all unsuccessful couples were crossed over to the alternative treatment after 2 months, the causality of successful pregnancy is unclear. The mixture consisted of Egyptian bee honey 100 grams, royal jelly 3 grams, and bee bread 1 teaspoon, which was diluted in saline in a 1:1 ratio prior to application (55131).
Malnutrition. It is unclear if oral honey is beneficial for malnutrition in children. Details: Preliminary clinical research in infants and children with a mean age of 11-13 months with protein-energy malnutrition (PEM) shows that honey improves weight and other biomarkers when compared to control. Honey 2 mL/kg diluted in water was used daily for 2 weeks in combination with conventional nutritional rehabilitation (55196,55210).
Menopausal symptoms. It is unclear if oral honey is beneficial for metabolic control in postmenopausal individuals. Details: In postmenopausal individuals, preliminary clinical research shows that taking Tualang honey 20 grams daily for 4 months results in a slight increase in low-density lipoprotein (LDL) cholesterol and fasting blood sugar when compared with baseline. However, there were no statistically significant differences in lipid profile, glycemic control, or bone density when compared with low-dose hormone replacement therapy (105241). The validity of this study is limited by its short duration and lack of blinding.
Necrotizing fasciitis. It is unclear if topical honey is beneficial for necrotizing fasciitis. Details: Preliminary clinical research has shown conflicting results with the use of honey, applied directly and covered with a dressing or applied as a honey-soaked gauze, given as an adjunct to antibiotics, for the treatment of Fournier's gangrene, a type of necrotizing fasciitis (55106,55293,55295,55315,91363).
Obesity. It is unclear if oral honey is beneficial for metabolic control in adolescents with obesity. Details: Preliminary clinical research in obese prepubertal females on a calorie-reduced diet shows that consuming a wild flower and thyme honey product (Attiki) 15 grams daily for 6 months does not improve levels of glucose, insulin, or blood lipids when compared with a marmalade control (101037).
Osteoarthritis. Oral honey has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small clinical study in adults 40-85 years of age with knee osteoarthritis shows that taking a specific product (G-rup syrup, Yas Daru Pharmaceutical Co.) containing honey 150 mg/mL and ginger extract 100 mg/mL in a dose of 30 mL twice daily for 12 weeks reduces pain scores on a visual analog scale and improves scores on the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) when compared with baseline. Total WOMAC scores decreased by about 7 in the active group and by 4 in the placebo group (110000). The validity of this finding is limited by the lack of statistical comparison to the placebo group. Additionally, it is unclear whether these changes would be considered clinically significant.
Peptic ulcers. Although there is interest in using oral honey for peptic ulcers, there is insufficient reliable information about the clinical effects of honey for this condition.
Postoperative pain. Several small clinical studies suggest that topical honey may reduce pain after tonsillectomy in children and adults. Details: A meta-analysis of low-quality clinical research in children 3 years and older immediately post-tonsillectomy shows that honey might reduce pain, analgesic use, and night-time awakening by a small to moderate amount in the week after surgery when compared with placebo or control. In these studies, honey was used in doses ranging from 4-15 mL every hour or once daily for 1-7 days (97703). A small observational cohort in adults post-tonsillectomy has found that applying honey 20 grams to the oral cavity for 5 minutes, 8 times daily for the first 5 days after surgery, is associated with reduced pain and bleeding when compared with usual treatment (103963). Another small clinical trial in adults post-tonsillectomy shows that gargling and then swallowing a solution containing 15 mL of honey mixed with 5 mL of water for two minutes every 6 hours for 10 days reduces pain and analgesic use when compared with placebo or no treatment (108530).
Pressure ulcers. It is unclear if topical honey is beneficial for pressure ulcers in children. Details: Preliminary clinical research in critically ill children aged 2 months to 17 years shows that use of a manuka honey dressing reduces the median time to complete healing of pressure ulcers by approximately 2 days when compared with standard wound care. In addition, complete healing was about 1.9 times more likely in children given the honey dressing. However, there were no differences in the proportion of children with complete healing or treatment failure, or in the duration of stay in the ICU or hospital (105229).
Pruritus. It is unclear if topical honey is beneficial for pruritus due to intertrigo. Details: Preliminary clinical research shows in adults with intertrigo that applying a honey cream (Medihoney Barrier Cream, Derma Sciences, Inc.) topically twice daily for 21 days reduces pruritus complaints when compared with zinc oxide ointment (55258).
Radiation dermatitis. It is unclear if topical honey is beneficial for treating radiation dermatitis. Details: Clinical research shows that applying honey gauze (HoneySoft) once daily to radiation-induced skin wounds does not increase the speed of wound healing when compared with paraffin gauze in patients with severe radiation-induced dermatitis (55105).
Radiation-induced esophagitis. It is unclear if topical honey is beneficial for radiation-induced esophagitis. Details: In patients with radiation esophagitis, preliminary clinical research shows that taking liquid manuka honey 10 mL or honey lozenges providing 10 mL of dehydrated manuka honey four times daily for 4 weeks does not improve pain on swallowing when compared with standard supportive care. However, only 14% of patients using liquid honey reported opioid use, compared with 37% of those given only supportive care (97698).
Sinonasal polyposis. It is unclear if intranasal honey is beneficial in patients recovering from surgery for sinonasal polyposis. Details: A small clinical study in patients recovering from sinus surgery for nasal polyposis shows that intranasal irrigation with a diluted processed honey spray four times daily starting the day after surgery does not improve healing or reduce polyp recurrence when compared with normal saline irrigation (108528).
Sunburn. Although there is interest in using topical honey for sunburn, there is insufficient reliable information about the clinical effects of honey for this purpose.
Tooth extraction. It is unclear if topical honey is beneficial for wound healing after tooth extraction. Details: A small clinical study in children that had a tooth extraction shows that applying a thin layer of Iranian Kurdistan Mountains honey with a cotton swab and keeping the swab in place for 45 minutes seems to reduce wound size more rapidly when compared with using normal saline (103966). The validity of this finding is limited because a large percentage of study participants were excluded from the final analysis.
Vaginal candidiasis. It is unclear if intravaginal honey is beneficial for vaginal candidiasis. Details: In patients with vulvovaginal candidiasis, preliminary clinical research shows that applying 5 grams of a vaginal gel containing honey 50% nightly for 8 days is as effective as the same amount of clotrimazole 1% cream for reducing burning and sensitivity and improving culture results. Honey also reduces vaginal discharge in almost twice as many patients as those using clotrimazole (105227). More evidence is needed to rate honey for these uses.

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SPEARMINT (Spearmint extract)

INSUFFICIENT RELIABLE EVIDENCE to RATE

Age-related cognitive decline. It is unclear if oral spearmint extract is beneficial for age-related cognitive decline. Details: A small clinical study in older adults with age-related cognitive decline shows that taking a specific spearmint extract 900 mg daily for 90 days modestly improves quality of working memory, as well as time to sleep, overall mood, and feelings of vigor, when compared with placebo. However, no improvements were seen in attention, overall quality of memory, speed of memory, quality of sleep, or feelings of anxiety, depression, or confusion. Additionally, taking 600 mg daily does not seem to provide benefit (98523).
Cognitive function. Small clinical studies suggest that oral spearmint extract or spearmint-flavored gum may not improve most measures of cognitive function. Details: One small clinical study in healthy young adults shows that taking a proprietary spearmint extract (Neumentix Phenolic Complex K110-42, Kemin Foods, LC.) 900 mg daily for 90 days modestly improves attention, but not working memory, executive function, speed, reasoning, or other measures of cognitive function, when compared with placebo (101713). Other small clinical studies in healthy adults shows that chewing spearmint-flavored gum during memory testing does not improve memory or attention when compared with chewing unflavored gum (75725,75754).
Flatulence. Although there has been interest in using oral spearmint for flatulence, there is insufficient reliable information about the clinical effects of spearmint for this purpose.
Hirsutism. Small clinical studies suggest that drinking spearmint tea may modestly reduce testosterone levels in patients with hirsutism; any effects on hair growth are unclear. Details: A small clinical study in patients with hirsutism associated with polycystic ovary syndrome (PCOS) shows that drinking spearmint tea twice daily for one month can reduce the subjective severity of hirsutism when compared to pretreatment; however, it does not seem to reduce the amount or location of hair based on objective assessment when compared with placebo tea (68500). Any effect of spearmint tea in patients with hirsutism is believed to be related to its antiandrogenic properties. Two small clinical studies in patients with idiopathic hirsutism or hirsutism associated with PCOS show that drinking spearmint tea twice daily for 5-30 days can decrease free testosterone levels and increase levels of luteinizing hormone, estradiol, and follicle-stimulating hormone when compared to baseline (68451,68500).
Irritable bowel syndrome (IBS). Oral spearmint has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small clinical study in patients with IBS shows that using 30 drops of a combination product containing lemon balm, spearmint, and coriander (Carmint) three times daily after meals for 8 weeks along with conventional therapy with loperamide or psyllium reduces abdominal pain and discomfort by approximately 81% when compared with conventional therapy alone (19535). It is unclear if these findings are due to spearmint, other ingredients, or the combination.
Osteoarthritis. It is unclear if drinking spearmint tea is beneficial in patients with knee osteoarthritis. Details: A small clinical study in patients with knee osteoarthritis shows that drinking 2 cups of spearmint tea daily for 16 weeks reduces pain and stiffness when compared to baseline (94923). The validity of these findings is limited by a lack of control group.
Postoperative nausea and vomiting (PONV). Aromatherapy with spearmint oil has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: One clinical study in patients reporting nausea after surgery shows that inhaling vapors from a mixture of spearmint, peppermint, ginger, and cardamom essential oils reduces symptoms of postoperative nausea in approximately 15% more patients when compared with inhaling ginger essential oils alone, and in about 43% more patients when compared with inhaling saline (89888). It is unclear if these findings are due to spearmint oil, other ingredients, or the combination. More evidence is needed to rate spearmint for these uses.

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Safety view details

Below is general information about the safety of the known ingredients contained in the product Ultra CBD Natural Spearmint Flavor. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.

GINGER (Ginger rhizome extract)

LIKELY SAFE ...when used orally and appropriately. Ginger has been safely used in multiple clinical trials (721,722,723,5343,7048,7084,7085,7400,7623,11346)(12472,13080,13237,13244,17369,17928,17929,89889,89890,89894)(89895,89898,89899,90102,96252,96253,96259,96260,96669) (101760,101761,101762,103359,107903).

POSSIBLY SAFE ...when used topically and appropriately, short-term (89893,89897).

CHILDREN: LIKELY SAFE
when consumed in the amounts typically found in foods.

CHILDREN: POSSIBLY SAFE
when used orally and appropriately, short-term. Ginger powder has been used with apparent safety at a dose of up to 750 mg daily for 4 days in girls aged 14-18 years (96255).

PREGNANCY: LIKELY SAFE
when consumed in the amounts typically found in foods.

PREGNANCY: POSSIBLY SAFE
when used for medicinal purposes. Despite some early reports of adverse effects (721,7083) and one observational study suggesting that taking dried ginger and other herbal supplements during the first 20 weeks of pregnancy marginally increased the chance of stillbirth (96254), most research shows that ginger is unlikely to cause harm to the baby. The risk for major malformations in infants of parents who took ginger when pregnant does not appear to be higher than the baseline rate of 1% to 3% (721,1922,5343,11346,13071,13080,96254). Also, other research suggests that ginger intake during various trimesters does not significantly affect the risk of spontaneous abortion, congenital malformations, stillbirth, perinatal death, preterm birth, low birth weight, or low Apgar scores (18211,90103). Ginger use has been associated with an increase in non-severe vaginal bleeding, including spotting, after week 17 of pregnancy (18211).

LACTATION: LIKELY SAFE
when consumed in the amounts typically found in foods. There is insufficient reliable information available about the safety of ginger when used for medicinal purposes; avoid amounts greater than those found in foods.

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HONEY (natural Honey)

LIKELY SAFE ...when used orally and appropriately (13160,14319). Concerns about botulism pertain only to children under 12 months of age and not to adults (13160). ...when used topically and appropriately. A specific commercially available wound dressing containing manuka honey (Medihoney) is approved as a medical device by the US Food and Drug Administration (FDA) (16353,16355,16357,16362,16369,16371). Some evidence suggests other honey preparations can also be used safely when applied to the skin or used to rinse the mouth (395,396,397,398,399,7847,7849,13133,14317)(16358,16372,97704,101034,108530).

POSSIBLY SAFE ...when properly diluted honey is used intranasally. Manuka honey 16.5% solution has been used with apparent safety as a nasal rinse twice daily for 14 days (103969). ...when specific, medical-grade honey products are used in eye drops. A specific product (Optimel Manuka Plus Eye Drops, Melcare Biomedical Pty Ltd) has been used safely 2-3 times daily for up to 4 weeks (105231,105234).

LIKELY UNSAFE ...when honey produced from the nectar of rhododendrons is used orally. This type of honey contains grayanotoxins, which may lead to cardiovascular symptoms, such as arrhythmias, hypotension, chest pain, bradycardia, syncope, asystole, various types of heart block, and myocardial infarction (12220,55119,55122,55125,55126,55129,55141,55142,55157)(55163,55170,55171,55180,55183,55190,55224,55233,55234,55239)(55248,55260,55261,55280,55281).

CHILDREN: LIKELY SAFE
when used orally and appropriately, short-term in children at least 12 months of age (15910,17299,55210,55253,97693).

CHILDREN: POSSIBLY UNSAFE
when used orally in children less than 12 months of age. Ingestion of raw honey contaminated with Clostridium botulinum spores can cause botulism poisoning in infants under 12 months of age (13160,55067,55290,91359). This is not a danger for older children or adults. Medical-grade, sterilized honey has been used with apparent safety in the formula of premature newborns at doses of up to 15 grams daily for up to 2 weeks (97697).

PREGNANCY AND LACTATION: LIKELY SAFE
when consumed in food amounts. The concern about botulism pertains to children under 12 months of age and not to pregnant adults (13160). There is insufficient reliable information available about the safety of honey when used for medicinal purposes when pregnant or breast-feeding.

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SPEARMINT (Spearmint extract)

LIKELY SAFE ...when used in amounts commonly found in foods. Spearmint and spearmint oil have Generally Recognized as Safe (GRAS) status in the US (4912).

POSSIBLY SAFE ...when used orally or topically for medicinal reasons (11,12). Spearmint extract up to 900 mg daily has been used safely for up to 90 days (94925,101713,101714). Spearmint tea has been consumed safely twice daily for up to 16 weeks (68500,94923).

PREGNANCY: LIKELY SAFE
when used in the amounts commonly found in foods (4912).

PREGNANCY: POSSIBLY UNSAFE
when used orally during pregnancy in excessive amounts. Animal research suggests that spearmint tea may cause uterine damage (68448). Avoid using in amounts greater than those typically found in foods during pregnancy.

LACTATION: LIKELY SAFE
when used in the amounts commonly found in foods (4912). There is insufficient reliable information available about the safety of spearmint during lactation. Avoid using in amounts greater than those typically found in foods.

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Interactions with Drugs view details

Below is general information about the interactions of the known ingredients contained in the product Ultra CBD Natural Spearmint Flavor. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.

GINGER (Ginger rhizome extract)

ANTICOAGULANT/ANTIPLATELET DRUGS

Interaction Rating = Moderate Be cautious with this combination.

Severity = High • Occurrence = Possible • Level of Evidence = B

Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, research is conflicting.

Details

Laboratory research suggests that ginger inhibits thromboxane synthetase and decreases platelet aggregation (7622,12634,20321,20322,20323,96257). However, this has not been demonstrated unequivocally in humans, with mixed results from clinical trials (96257). Theoretically, excessive amounts of ginger might increase the risk of bleeding when used with anticoagulant/antiplatelet drugs.

ANTIDIABETES DRUGS

Interaction Rating = Moderate Be cautious with this combination.

Severity = Moderate • Occurrence = Possible • Level of Evidence = D

Theoretically, taking ginger with antidiabetes drugs might increase the risk of hypoglycemia.

Details

Animal and human research suggests that ginger might increase insulin levels and/or decrease blood glucose levels (12636,20402,20403,20404,20405,89895,89896,107898).

CALCIUM CHANNEL BLOCKERS

Interaction Rating = Minor Be watchful with this combination.

Severity = Moderate • Occurrence = Unlikely • Level of Evidence = D

Theoretically, taking ginger with calcium channel blockers might increase the risk of hypotension.

Details

Some animal and in vitro research suggests that ginger has hypotensive and calcium channel-blocking effects (12633). Another animal study shows that concomitant administration of ginger and the calcium channel blocker amlodipine leads to greater reductions in blood pressure when compared with amlodipine alone (107901).

CYCLOSPORINE (Neoral, Sandimmune)

Interaction Rating = Minor Be watchful with this combination.

Severity = Mild • Occurrence = Possible • Level of Evidence = D

Theoretically, when taken prior to cyclosporine, ginger might decrease cyclosporine levels.

Details

In an animal model, ginger juice taken 2 hours prior to cyclosporine administration reduced the maximum concentration and area under the curve of cyclosporine by 51% and 40%, respectively. This effect was not observed when ginger juice and cyclosporine were administered at the same time (20401).

CYTOCHROME P450 1A2 (CYP1A2) SUBSTRATES

Interaction Rating = Minor Be watchful with this combination.

Severity = Insignificant • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase the levels of CYP1A2 substrates.

Details

In vitro research shows that ginger inhibits CYP1A2 activity (111544). However, this interaction has not been reported in humans.

CYTOCHROME P450 2B6 (CYP2B6) SUBSTRATES

Interaction Rating = Minor Be watchful with this combination.

Severity = Insignificant • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase the levels of CYP2B6 substrates.

Details

In vitro research shows that ginger inhibits CYP2B6 activity (111544). However, this interaction has not been reported in humans.

CYTOCHROME P450 2C9 (CYP2C9) SUBSTRATES

Interaction Rating = Minor Be watchful with this combination.

Severity = Insignificant • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase the levels of CYP2C9 substrates.

Details

In vitro research shows that ginger inhibits CYP2C9 activity (111544). However, this interaction has not been reported in humans.

CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES

Interaction Rating = Minor Be watchful with this combination.

Severity = Insignificant • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase the levels of CYP3A4 substrates.

Details

In vitro research shows that ginger inhibits CYP3A4 activity (111544). However, this interaction has not been reported in humans.

LOSARTAN (Cozaar)

Interaction Rating = Moderate Be cautious with this combination.

Severity = Moderate • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase levels of losartan and the risk of hypotension.

Details

In animal research, ginger increased the levels and hypotensive effects of a single dose of losartan (102459). It is not clear if ginger alters the concentration or effects of losartan when taken continuously. Additionally, this interaction has not been shown in humans.

METRONIDAZOLE (Flagyl)

Interaction Rating = Minor Be watchful with this combination.

Severity = Mild • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase levels of metronidazole.

Details

In an animal model, ginger increased the absorption and plasma half-life of metronidazole. In addition, the elimination rate and clearance of metronidazole was significantly reduced (20350).

NIFEDIPINE (Procardia)

Interaction Rating = Moderate Be cautious with this combination.

Severity = Moderate • Occurrence = Possible • Level of Evidence = B

Ginger may have antiplatelet effects and increase the risk of bleeding if used with nifedipine.

Details

Clinical research shows that combined treatment with ginger 1 gram plus nifedipine 10 mg significantly inhibits platelet aggregation when compared to nifedipine or ginger alone (20324).

P-GLYCOPROTEIN SUBSTRATES

Interaction Rating = Minor Be watchful with this combination.

Severity = Insignificant • Occurrence = Possible • Level of Evidence = D

Theoretically, ginger might increase the absorption and blood levels of P-glycoprotein (P-gp) substrates.

Details

In vitro research shows that ginger inhibits drug efflux by P-gp, potentially increasing absorption and serum levels of P-gp substrates (111544).

PHENPROCOUMON (Marcoumar, others)

Interaction Rating = Moderate Be cautious with this combination.

Severity = High • Occurrence = Possible • Level of Evidence = D

Ginger might increase the risk of bleeding with phenprocoumon.

Details

Phenprocoumon, a warfarin-related anticoagulant, might increase the international normalized ratio (INR) when taken with ginger. There is one case report of a 76-year-old woman with a stable INR on phenprocoumon that increased to greater than 10 when she began consuming dried ginger and ginger tea (12880).

WARFARIN (Coumadin)

Interaction Rating = Moderate Be cautious with this combination.

Severity = High • Occurrence = Possible • Level of Evidence = B

Ginger might increase the risk of bleeding with warfarin.

Details

Laboratory research suggests that ginger might inhibit thromboxane synthetase and decrease platelet aggregation (7622,12634,20321,20322,20323). In one case report, ginger increased the INR when taken with phenprocoumon, which has similar pharmacological effects as warfarin (12880). In another case report, ginger increased the INR when taken with a combination of warfarin, hydrochlorothiazide, and acetaminophen (20349). A longitudinal analysis suggests that taking ginger increases the risk of bleeding in patients taking warfarin for at least 4 months (20348). However, research in healthy people suggests that ginger has no effect on INR, or the pharmacokinetics or pharmacodynamics of warfarin (12881,15176). Until more is known, monitor INRs closely in patients taking large amounts of ginger.

(Read more about GINGER)

HONEY (natural Honey)

ANTICOAGULANT/ANTIPLATELET DRUGS

Interaction Rating = Minor Be watchful with this combination.

Severity = Moderate • Occurrence = Unlikely • Level of Evidence = D

Theoretically, honey may increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.

Details

In vitro, honey inhibits platelet aggregation and increases the time to clotting (55222). Furthermore, animal research suggests that feeding mice large doses of honey for 12 days increases bleeding time when compared with no intervention (103964). However, these effects have not been reported in humans.

CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES

Interaction Rating = Minor Be watchful with this combination.

Severity = Mild • Occurrence = Possible • Level of Evidence = B

Theoretically, honey might decrease levels of drugs metabolized by CYP3A4, but research is conflicting.

Details

Some clinical research shows that honey induces CYP3A4 (55116). However, other clinical studies found no effect on CYP3A4 activity (55208). Different honey preparations may have different effects on CYP3A4.

PHENYTOIN (Dilantin)

Interaction Rating = Moderate Be cautious with this combination.

Severity = Moderate • Occurrence = Possible • Level of Evidence = D

Theoretically, honey might increase levels of phenytoin.

Details

In an animal model, the rate and extent of absorption of phenytoin was increased by honey (20352). This effect has not been reported in humans.

(Read more about HONEY)

SPEARMINT (Spearmint extract)

CNS DEPRESSANTS

Interaction Rating = Moderate Be cautious with this combination.

Severity = Moderate • Occurrence = Possible • Level of Evidence = D

Theoretically, spearmint might alter the sedative effects of CNS depressants.

Details

Animal research suggests that (-)-carvone, a major constituent of spearmint, has sedative effects (39800,75758). However, in humans, chewing spearmint-flavored gum induced arousal effects (75699).

HEPATOTOXIC DRUGS

Interaction Rating = Moderate Be cautious with this combination.

Severity = High • Occurrence = Possible • Level of Evidence = D

Theoretically, high doses of spearmint might increase the risk of liver damage when taken with hepatotoxic drugs.

Details

Animal research suggests that drinking spearmint tea for 30 days can increase markers of liver damage, including aspartate aminotransferase (AST) and alanine aminotransferase (ALT), and cause liver degeneration and necrosis, in a dose-dependent manner (12731). This effect has not been reported in humans.

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Adverse Effects view details

Report an Adverse Reaction to Ultra CBD Natural Spearmint Flavor

Below is general information about the adverse effects of the known ingredients contained in the product Ultra CBD Natural Spearmint Flavor. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.

GINGER (Ginger rhizome extract)

General ...Orally, ginger is generally well tolerated. However, higher doses of 5 grams per day increase the risk of side effects and reduce tolerability. Topically, ginger seems to be well tolerated.
Most Common Adverse Effects:
Orally: Abdominal discomfort, burping, diarrhea, heartburn, and a pepper-like irritant effect in the mouth and throat. However, some of these mild symptoms may be reduced by ingesting encapsulated ginger in place of powdered ginger.
Topically: Dermatitis in sensitive individuals.

Cardiovascular ...Orally, use of ginger resulted in mild arrhythmia in one patient in a clinical trial (16306).

Dermatologic ...Orally, ginger can cause hives (17933), as well as bruising and flushing (20316) or rash (20316).
Topically, ginger can cause dermatitis in sensitive individuals (12635,46902).

Gastrointestinal ...Orally, common side effects of ginger include nausea (17933,22602,89898,101761), belching (10380,103359), dry mouth (103359), dry retching (10380), vomiting (10380), burning sensation (10380), oral numbness (22602), abdominal discomfort (5343,89898,96253), heartburn (5343,7624,12472,16306,20316,51845,89894,89895,89898,89899)(101760,101761,101762,111543), diarrhea (5343,101760), constipation (89898,101760,101761), or a transient burning or "chilly hot" sensation of the tongue and throat (52076). Orally, Number Ten, a specific product composed of rhubarb, ginger, astragalus, red sage, and turmeric, can increase the incidence of loose stools (20346).
Four cases of small bowel obstruction due to ginger bolus have been reported following the ingestion of raw ginger without sufficient mastication (chewing). In each case, the bolus was removed by enterotomy. Ginger is composed of cellulose and therefore is resistant to digestion. It can absorb water, which may cause it to swell and become lodged in narrow areas of the digestive tract (52115).

Genitourinary ...In one clinical trial, some patients reported increased menstrual bleeding while taking a specific ginger extract (Zintoma, Goldaru) 250 mg four times daily orally for 3 days (17931). An "intense" urge to urinate after 30 minutes was reported in two of eight patients given 0.5-1 gram of ginger (7624). However, this effect has not been corroborated elsewhere. Dysuria, flank pain, perineal pain, and urinary stream interruption have been reported in a 43-year-old male who drank ginger tea, containing 2-3 teaspoons of dry ginger, daily over 15 years. The adverse effects persisted for 4 years and were not associated with increases in urinary frequency or urgency. Upon discontinuing ginger, the patient's symptoms began to improve within one week and completely resolved after eight weeks, with no relapses six months later (107902).

Immunologic ...In one case report, a 59-year-old Japanese female with multiple allergic sensitivities developed pruritus and then anaphylactic shock after taking an oral ginger-containing herbal supplement for motion sickness (Keimei Gashinsan, Keimeido). The patient had used this supplement previously for over 20 years with no allergic reaction. The authors theorized the development of a cross-reactivity to ginger after the use of an oral supplement containing zedoary and turmeric, which are also in the Zingiberaceae family (102463).

Neurologic/CNS ...Orally, ginger may cause sedation, drowsiness, or dizziness (16306,17933,51845).

(Read more about GINGER)

HONEY (natural Honey)

General ...Orally and topically, honey is generally well tolerated in those at least 1 year of age. When given intranasally or into the eyes, honey seems to be well tolerated. However, honey containing grayanotoxins, which are found in rhododendrons, is likely unsafe and should be avoided.
Most Common Adverse Effects:
Orally: Nausea, stomach pain, and vomiting.
Topically: Burning, pain, and stinging.
Intranasally: Burning and nausea.
Ocular: Stinging.
Serious Adverse Effects (Rare):
Orally: Case reports of botulism in infants have occurred. Anaphylaxis has been reported in sensitive individuals. Honey from the Black Sea coast of Turkey, which is derived from the nectar of rhododendrons, has caused respiratory depression, dizziness, sweating, weakness, bradycardia, atrioventricular (AV) block, hypotension, cardiac arrhythmias, and myocardial infarction within a few minutes to several hours after consumption.

Cardiovascular ...Honey from the Black Sea coast of Turkey has been linked with a unique form of poisoning. Honey from this region sometimes contains excessive concentrations of grayanotoxins from rhododendrons, which can cause bradycardia, atrioventricular (AV) block, cardiac arrhythmias, myocardial infarction, and hypotension within a few minutes to several hours after consumption (12220,55110,55126,55129,55238,55269,55270,55280). Fatalities have not been reported. Patients typically respond to fluids and reversal of cardiac conduction abnormalities with atropine.

Dermatologic ...Topically, the use of honey applied to wounds can cause local pain, stinging, and burning in about 5% of patients, some of whom stop treatment as a result (16356,16357,16358,16361,91362,97694,96595). Theoretically, honey may cause excessive drying of wounds, which could delay healing. This can be managed by application of saline packs as needed (7850).

Gastrointestinal ...Orally, honey may cause mild nausea, vomiting, and stomach ache (12220,55119,55190,55294,97693). Honey from the Black Sea coast of Turkey has been linked with a unique form of poisoning. Honey from this region sometimes contains excessive concentrations of grayanotoxins. These toxins can cause increased salivation, nausea, and vomiting within a few minutes to several hours after consumption (12220,55119,55190,55294). Intranasally, honey may cause nausea (55216).

Immunologic ...Orally, honey can cause allergic reactions, including anaphylaxis (6,11,108531,108532). These reactions may be due to various components of the honey, including the honey itself, pollen, or bee secretions (91370). When used topically, local allergic reactions have been reported in people with pre-existing atopy (16356,55118). Allergic contact dermatitis related to honey enriched with propolis has been reported (91365).

Neurologic/CNS ...Orally, honey may cause nervousness, insomnia, and hyperactivity in children (91366,97693). Honey from the Black Sea coast of Turkey has been linked with a unique form of poisoning. Honey from this region sometimes contains excessive concentrations of grayanotoxins, which can cause dizziness, sweating, and weakness within a few minutes to several hours after consumption (12220,55110,55119,55296).

Ocular/Otic ...When used in eye drops, transient stinging has been reported rarely (105231,105234).

Pulmonary/Respiratory ...When used intranasally, a burning sensation of the nasal passages has been reported (55216). Honey from the Black Sea coast of Turkey, which sometimes contains excessive concentrations of grayanotoxins, can cause respiratory depression within a few minutes to several hours after consumption (12220,55110,55119,55296).

Other ...Some honey is contaminated with Clostridium botulinum spores, which poses a risk to infants (6,11,13160,55067,55290,91359). Botulinum spores can proliferate in the intestines of infants and cause botulism poisoning (55112). However, this is not a concern for older children and adults.

(Read more about HONEY)

SPEARMINT (Spearmint extract)

General ...Orally, spearmint is well tolerated.
Most Common Adverse Effects:
Topically: Allergic contact dermatitis or cheilitis in sensitive individuals.

Cardiovascular ...Orally, taking spearmint extract 600 mg daily has been associated with one report of tachycardia in one clinical trial. However, it is not certain that this adverse event was caused by spearmint extract (94925).

Dermatologic ...Orally, drinking 2 cups of spearmint tea with normal amounts of rosmarinic acid has been associated with one report of itchy skin in clinical research (94923).

Gastrointestinal ...Orally, taking spearmint extract 600 mg daily has been associated with dyspepsia in one clinical trial (94925). Taking a higher dose of 900 mg daily has been associated with diarrhea and belching (94925). Drinking 2 cups of spearmint tea with normal amounts of rosmarinic acid has been associated with one report of dry mouth in clinical research. Drinking 2 cups of spearmint tea containing high amounts of rosmarinic acid has been associated with three reports of constipation and one report of loose bowel movements (94923). Taking 1 mL of spearmint oil equivalent to 500 mg of spearmint has been associated with reports of regurgitation in clinical research (75700).

Immunologic ...Topically, spearmint oil and leaves have caused allergic dermatitis (75711,75731,75737). Allergic contact cheilitis has also occurred from spearmint oil in toothpaste or chewing gum (31403,31528,75706,75739,75777,75790). Spearmint oil inhalation has also caused allergic dermatitis (56955). Orally, spearmint leaves have caused allergy-associated swelling of the soft palate. A specific 50 KDa protein in the spearmint was found to be the responsible allergen (94922). In some cases, spearmint allergy was associated with oral lichen planus of the tongue, lips, palate, buccal mucosa, and gingivae. Observational studies suggest that exposure to spearmint is associated with exacerbation of oral lichen planus as confirmed by patch testing (94924,112844).

Neurologic/CNS ...Orally, drinking 2 cups of spearmint tea containing high amounts of rosmarinic acid has been associated with two reports of headache in clinical research (94923).

Psychiatric ...Orally, taking spearmint extract 600 mg daily has been associated with one report of anxiety in one clinical trial. However, it is not certain that this adverse event was caused by spearmint extract (94925).

Other ...Orally, taking spearmint extract 600 mg daily has been associated with one report of increased appetite and weight gain in one clinical trial. However, it is not certain that these adverse events were caused by spearmint extract (94925).

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