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POSSIBLY EFFECTIVE

• Dyslipidemia. Oral Indian gooseberry seems to be beneficial for dyslipidemia. Details: Meta-analyses of 12 small clinical studies in healthy adults or patients with dyslipidemia, diabetes, hypertension, or metabolic syndrome show that taking Indian gooseberry fruit extract or powder 0.5-3 grams daily or Indian gooseberry fruit 12 grams daily for 2-12 weeks reduces total cholesterol by around 39 mg/dL, low-density lipoprotein (LDL) cholesterol by around 15-34 mg/dL, and triglycerides by around 22-52 mg/dL when compared with control groups. Results are conflicting whether Indian gooseberry increases high-density lipoprotein (HDL) cholesterol (111567,111568). Subgroup analysis suggests that Indian gooseberry is more effective at doses greater than 1 gram daily and in adults with triglycerides above 150 mg/dL (111568). Clinical research in patients with dyslipidemia shows that taking Indian gooseberry whole fruit extract (Tri-low, Arjuna Natural Ltd.) 500 mg twice daily for 12 weeks reduces triglyceride and low-density lipoprotein (LDL) cholesterol levels by 34% and 20%, respectively, compared with 15% and 5%, respectively, in patients taking placebo (99238).
• Gastroesophageal reflux disease (GERD). Oral Indian gooseberry seems to be beneficial for reducing symptoms of GERD. Details: Clinical research in adults who have had non-erosive symptoms of GERD for at least 3 months shows that taking Indian gooseberry fruit extract 1000 mg twice daily for 4 weeks reduces the frequency and severity of heartburn and regurgitation by about 63% and 50%, respectively, compared with reductions of 24% and 5%, respectively, in patients taking placebo (99240).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Aging skin. Oral Indian gooseberry has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in healthy, middle-aged females shows that drinking 50 mL of a juice containing Indian gooseberry extract 30-60 mg and lingonberry extract 25-50 mg daily for 12 weeks improves skin elasticity, thickness, wrinkles, and hydration when compared with placebo (102856). It is unclear if these effects are due to Indian gooseberry, lingonberry, or the combination. Another small clinical study in healthy, middle-aged females shows that applying a topical emulsion containing extracts of Indian gooseberry 3% and gotu kola 3% twice daily for 60 days improves skin hydration, some measures of skin wrinkles, and elasticity of the cheek but not the eye when compared with placebo (111571). It is unclear if these effects are due to Indian gooseberry, gotu kola, or the combination.
• Androgenic alopecia. Topical Indian gooseberry has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: In individuals with self-perceived hair loss, preliminary clinical research shows that applying a hair product containing Indian gooseberry modestly improves hair growth rate and density, as well as hair thinning, when compared with baseline. Patients used a leave-in product containing Indian gooseberry (Saberry), coconut water solids (Cococin), gamma-L-glutamyl-selenomethionine (Peptiselect), and other ingredients as 3.5 mL in females and 2 mL in males, once daily for 3 months (105353).
• Cancer. Although there is interest in using oral Indian gooseberry for cancer, there is insufficient reliable information about the clinical effects of Indian gooseberry for this purpose.
• Cardiovascular disease (CVD). It is unclear if oral Indian gooseberry is beneficial for the prevention of CVD. Details: A meta-analysis of 9 small clinical studies in adults who are healthy or have CVD risk factors shows that taking Indian gooseberry fruit extract or powder 500-1500 mg daily for 2-12 weeks reduces low-density lipoprotein (LDL) cholesterol by around 15 mg/dL, very low-density lipoprotein (VLDL) cholesterol by around 5 mg/dL, triglycerides by around 22 mg/dL, and high-sensitivity C-reactive protein when compared with control groups. However, the meta-analysis suggests that Indian gooseberry does not improve high-density lipoprotein (HDL) cholesterol, systolic blood pressure, or diastolic blood pressure (111567). The validity of these findings is limited by small sample sizes and considerable heterogeneity among the included studies.
• Coronavirus disease 2019 (COVID-19). It is unclear if oral Indian gooseberry is beneficial for the treatment of COVID-19 in hospitalized adults. Details: A small clinical trial in adults hospitalized with COVID-19 shows that receiving Indian gooseberry powder 2 grams twice daily for 10 days does not impact RT-PCR positivity rate at day 10 when compared with placebo. Additionally, there were no clear trends in clinical improvement in patients receiving Indian gooseberry when compared with placebo. All patients in this study also received oral hydroxychloroquine and lopinavir/ritonavir (110012).
• Diabetes. Several small or limited-quality clinical studies suggest that oral Indian gooseberry may modestly improve glycemic control and blood lipid levels in patients with type 2 diabetes. Details: A moderate-sized, open-label study in adults with newly-diagnosed type 2 diabetes and dyslipidemia shows that taking Indian gooseberry extract, standardized to 10% beta-glucogallin, 2 grams daily for 90 days reduces glycated hemoglobin (HbA1c), fasting blood glucose, and postprandial blood glucose when compared to baseline, with superior effects on fasting blood glucose and postprandial blood glucose when compared with metformin 500 mg (111569). A smaller clinical study in patients with type 2 diabetes on stable doses of metformin shows that taking Indian gooseberry fruit extract (Capros, Natreon Inc) 500 mg twice daily for 12 weeks reduces HbA1c by around 0.5% and improves low-density lipoprotein (LDL) cholesterol, triglyceride, and high-density lipoprotein (HDL) levels when compared with placebo. Taking a lower dose, 250 mg twice daily, does not seem to improve HbA1c but has a modest effect on lipid levels (105356). Another small clinical study in patients with type 2 diabetes using various antidiabetes drugs shows that taking powdered Indian gooseberry fruit 1 gram, 2 grams, or 3 grams daily for 3 weeks modestly reduces fasting and 2-hour postprandial blood glucose levels and improves lipid levels when compared to baseline (105355). The validity of these findings is limited by the lack of a comparator group.
• Hangover. It is unclear if oral Indian gooseberry is beneficial for hangover prevention. Details: A small clinical trial shows that taking Indian gooseberry leaf extract (Phyllpro) 750 mg daily for 10 days prior to alcohol intoxication modestly reduces some hangover symptoms 10 hours later, including nausea, headache, lack of appetite, and dizziness, when compared with placebo. Blood alcohol levels after 12 hours were also reduced. However, the overall hangover score was not significantly different between groups (99846).
• Hepatitis B. Although there is interest in using oral Indian gooseberry for hepatitis B, there is insufficient reliable information about the clinical effects of Indian gooseberry for this condition.
• Hypercholesterolemia. Small studies suggest that oral Indian gooseberry might help to reduce low-density lipoprotein (LDL) cholesterol levels. Details: Preliminary clinical research shows that taking Indian gooseberry might reduce levels of LDL cholesterol in patients with hypercholesterolemia. One preliminary clinical study shows that taking Indian gooseberry 50 grams for 4 weeks decreases LDL cholesterol by 15% when compared to baseline (2077). Other preliminary clinical research shows that taking Indian gooseberry fruit extract (Amlamax, Arjuna Natural Ltd.) 500 mg or 1000 mg daily for 6 months reduces levels of LDL cholesterol by about 13% when compared with baseline (99241). Also, one small study shows that taking an Indian gooseberry fruit juice powder 500 mg daily for 6 weeks modestly decreases LDL cholesterol and triglyceride levels when compared with baseline (99242). Some preliminary clinical research also shows that Indian gooseberry reduces LDL cholesterol in obese individuals. One small study shows that taking Indian gooseberry fruit extract (Capros, Natreon Inc.) 500 mg twice daily for 12 weeks reduces LDL cholesterol by 16 mg/dL in this population when compared to baseline (92515). However, the validity of these studies is limited by the lack of comparator groups.
• Hypertension. It is unclear if oral Indian gooseberry is beneficial for hypertension. Details: In patients with uncontrolled hypertension using standard therapies, clinical research shows that taking Indian gooseberry dried fruit powder 500 mg three times daily for 8 weeks reduces systolic blood pressure (SBP) and diastolic blood pressure (DBP) by 16% and 12%, respectively, from baseline, which is significantly greater than reductions seen with placebo. The frequency of response to treatment, based on a reduction in SBP or DBP of at least 10 mmHg or 5 mmHg, respectively, was also increased from up to 50% to at least 83% of patients (105352). However, other clinical research in adults with cardiovascular risk factors shows that taking Indian gooseberry 500-1500 mg twice daily for 2-12 weeks does not reduce SBP or DBP more than placebo (105354,111567).
• Irritable bowel syndrome (IBS). Indian gooseberry has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small, open-label study of adults with IBS shows that taking 7 grams of an Unani medicinal product called Jawarish Shahi, containing Indian gooseberry, terminalia, coriander, cardamom, and willow bark, twice daily for 45 days reduces the severity of IBS, as measured by improvements in abdominal pain and distension, bowel habits, and quality of life, when compared to baseline (111570). The validity of these findings is limited by insufficient blinding and the lack of a comparator group. It is unclear if these effects are due to Indian gooseberry, other ingredients, or the combination.
• Metabolic syndrome. It is unclear if oral Indian gooseberry is beneficial for metabolic syndrome. Details: Preliminary clinical research in adults with metabolic syndrome shows that taking a specific Indian gooseberry extract (Capros, Natreon Inc.) 250 mg twice daily for 12 weeks reduces total cholesterol by nearly 10%, low-density lipoprotein (LDL) cholesterol by 15%, and triglycerides by 10%, and increases high-density lipoprotein (HDL) cholesterol by about 7% when compared with placebo. Additionally, taking this product as 500 mg twice daily reduces total cholesterol by 14%, LDL cholesterol by 26%, and triglycerides by 19%, and increases HDL cholesterol by 22% when compared with placebo. Both doses also seem to improve markers of endothelial function, oxidative stress, and systemic inflammation (102857).
• Obesity. It is unclear if oral Indian gooseberry is beneficial for improving weight loss or metabolic parameters in adults with obesity. Details: Preliminary clinical research in overweight or obese individuals shows that taking Indian gooseberry fruit extract (Capros, Natreon Inc.) 500 mg twice daily for 12 weeks reduces low-density lipoprotein (LDL) cholesterol by 16 mg/dL when compared to baseline. However, there was no effect on other lipids or on blood pressure, body weight, or body mass index (92515). The validity of these findings is limited by the lack of a comparator group.
• Oral mucositis. It is unclear if oral Indian gooseberry is beneficial in patients with radiation-induced mucositis. Details: A retrospective observational study in patients with head and neck cancer receiving radiotherapy suggests that rinsing the mouth with Indian gooseberry 1% and povidone-iodine twice daily is associated with delayed development of mucositis and intolerable mucositis and a decreased incidence of intolerable mucositis when compared with povidone-iodine alone (111566). The validity of these findings is limited by the retrospective study design.
• Osteoarthritis. Oral Indian gooseberry has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in adults with knee osteoarthritis suggests that specific Ayurvedic formulas containing Indian gooseberry may be equivalent to glucosamine sulfate 2 grams daily or celecoxib 200 mg daily for reducing pain. Two capsules containing Indian gooseberry 166.66 mg/capsule, ginger 33.33 mg/capsule, and Tinospora cordifolia 73.33 mg/capsule, with or without Boswellia serrata 100 mg/capsule, taken three times daily for 24 weeks, were used. All four treatments reduced active pain by about 28% to 38%, functional pain by 19% to 29%, and functional difficulty by 18% to 25%, with no significant between-group differences in the observed improvements (89557). It is not clear if these effects are due to Indian gooseberry, the other ingredients, or the combination.
• Periodontitis. It is unclear if subgingival Indian gooseberry is beneficial for periodontitis. Details: Clinical research in patients with chronic periodontitis shows that the subgingival application of a sustained-release Indian gooseberry fruit 10% gel following scaling and root planing does not affect plaque or gingivitis development over 2-3 months when compared with placebo. However, there was a modest benefit on periodontal destruction based on probing pocket depth (105358).
• Vitiligo. Oral Indian gooseberry has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in patients with vitiligo shows that taking 1 tablet containing Indian gooseberry 100 mg, vitamin E 10 mg, and carotenoids 4.7 mg orally 3 times daily for 6 months, in combination with conventional topical therapy and/or phototherapy, increases re-pigmentation in the head, neck, and trunk and decreases signs of inflammation when compared with conventional treatment alone (92513). More evidence is needed to rate Indian gooseberry for these uses.

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INSUFFICIENT RELIABLE EVIDENCE to RATE

• Asthma. It is unclear if dietary citrus fruits are beneficial in patients with asthma. Details: There is some evidence that consumption of vitamin C-rich citrus fruits, including sweet orange and others, might improve lung function in people with asthma. However, this is controversial. Some studies show that intake of citrus fruits 1-2 times per week produces significant benefit (6049,6055,6056), while other studies have not found this benefit (6057,6058).
• Common cold. It is unclear if drinking sweet orange juice prevents the common cold. Details: Preliminary clinical research in healthy individuals ages 17 to 25 years suggests that drinking sweet orange juice 180 mL daily for 72 days might decrease the risk of developing common cold-related symptoms (15328).
• Depression. It is unclear if drinking sweet orange juice or using sweet orange essential oil as aromatherapy is beneficial for depression. Details: Preliminary clinical research in adults with depression shows that drinking flavonoid-rich sweet orange juice 190 mL three times daily for 8 weeks modestly improves depression scores when compared to baseline, but not when compared with a low-flavonoid orange drink (110045). Sweet orange has also been studied as part of a combination aromatherapy. A very small clinical study in community-dwelling older adults shows that massage therapy to the upper body with sweet orange, lavender, and bergamot oils twice weekly for 8 weeks improves symptoms of depression in 65% of patients when compared with no intervention. Twice weekly inhalation of the same essential oils via nebulizer, without massage, also improves symptoms of depression in 55% of patients when compared with no intervention (98474).
• Hypercholesterolemia. It is unclear if drinking sweet orange juice improves blood lipid levels. Details: A very small clinical study in hypercholesterolemic patients shows that drinking large amounts of sweet orange juice (750 mL daily for four weeks) seems to increase high-density lipoprotein (HDL) cholesterol by 21% and reduce the ratio of low-density lipoprotein (LDL) to HDL cholesterol by 16% when compared to baseline. This effect was not seen with 250-500 mL of sweet orange juice. Because consumption of this large amount of juice daily provides approximately 20% of the daily energy requirement, this regimen may not be practical (3340).
• Insomnia. Sweet orange essential oil as aromatherapy has only been evaluated in combination with other essential oils; its effect when used alone is unclear. Details: Preliminary clinical research in adults undergoing hemodialysis shows that inhaling aromatherapy with sweet orange and lavender oil nightly before bed for one month improves overall sleep quality by 72% and fatigue by about 78% when compared with no treatment (98508).
• Kidney failure. It is unclear if sweet orange oil massage can improve fatigue or symptoms of restless leg syndrome (RLS) in adults receiving hemodialysis. Details: A small clinical study shows that receiving an 18-minute foot massage with sweet orange oil 1.5% for 3 weeks during hemodialysis sessions modestly improves sleep quality and symptoms of RLS when compared with routine care. However, it does not seem to be more effective than using lavender oil (109859).
• Kidney stones (nephrolithiasis). It is unclear if drinking sweet orange juice is beneficial for preventing kidney stones. Details: Consuming 400 mL of sweet orange juice three times a day, providing a total of 100 mEq of citrate daily, increases urinary pH and urinary citrate levels (15171). Theoretically, this might reduce kidney stone formation in patients with calcium nephrolithiasis. However, this outcome has not been evaluated in clinical research.
• Obesity. It is unclear if drinking sweet orange juice or taking oral sweet orange extract improves weight loss or other metabolic parameters in adults with overweight or obesity. Most studies suggest that any effects are unlikely to be considered clinically relevant. Details: Some preliminary clinical research in adults with overweight or obesity shows that taking a specific sweet orange extract (Morosil, Bionap S.R.L.) 400 mg orally once daily for six months reduces waist circumference, body weight, fat mass, and body mass index (BMI) by 2% to 5% when compared with placebo (110046). However, other preliminary clinical research in this population shows that drinking red sweet orange juice 750 mL daily for 8 weeks does not reduce body weight or BMI when compared with baseline (92309). A meta-analysis of clinical research in adults, most of whom were overweight or obese at baseline, shows that drinking 250-750 mL of various types of sweet orange juice daily for 2-12 weeks does not reduce body weight, BMI, waist circumference, or body fat percentage (BFP) when compared with control groups, which included either no supplementation, pomegranate juice, or exercise (107853). The validity of this meta-analysis is limited due to the population heterogeneity and variety of orange juice formulations and controls utilized. Some clinical studies have also evaluated sweet orange juice for improving cardiovascular risk factors in overweight and obese adults. Although some research has shown benefit, not all research agrees (110046,110047). A meta-analysis of randomized clinical trials in adults with overweight or obesity shows that drinking sweet orange juice 250-600 mL daily for 2-13 weeks modestly increases high-density lipoprotein cholesterol levels and decrease average systolic blood pressure by 1 mmHg when compared with control. However, drinking sweet orange juice does not affect other blood lipid levels, blood glucose levels, or markers of insulin resistance (110048). The validity of this study is limited by high heterogeneity and a small sample size. In addition, these improvements are unlikely to be considered clinically relevant. Sweet orange extract has also been studied in combination with other ingredients. Some clinical research in overweight adults shows that taking a specific combination product (Sinetrol, Fytexia) 450-700 mg twice daily containing sweet orange, blood orange, and grapefruit extracts for 12 weeks reduces body weight, BFP, and BMI when compared with placebo or baseline (95517,95518). It is unclear if these effects are due to sweet orange, other ingredients, or the combination.
• Pre-procedural anxiety. It is unclear if inhaling sweet orange essential oil as aromatherapy reduces anxiety before surgeries or invasive procedures. Details: A small, low-quality study suggests that inhaling the scent from 3 drops of sweet orange essential oil applied to a cotton ball for 5 minutes modesty reduces anxiety and pain scores in patients undergoing needle insertion for hemodialysis when compared with performing a breathing exercise for 3 minutes (105455).
• Prostate cancer. It is unclear if drinking sweet orange juice reduces prostate cancer risk. Details: Observational research has found that increasing dietary intake of sweet orange or sweet orange juice is not associated with a reduced risk of developing prostate cancer (15172).
• Stress. It is unclear if inhaling sweet orange essential oil as aromatherapy is beneficial for stress. Details: Preliminary clinical research shows that using up to 10 drops of sweet orange essential oil as aromatherapy helps prevent some anxiety and tension associated with stressful tasks when compared with control (90505). More evidence is needed to rate sweet orange for these uses.

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LIKELY SAFE ...when consumed in amounts commonly found in foods (6,2076).

POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts. Indian gooseberry fruit extract has been used safely in doses of up to 1000 mg daily for up to 6 months, 1500 mg daily for up to 8 weeks, or 2000 mg daily for up to 4 weeks (92515,99238,99240,99241,102855,102857,105352,105354,105356). Indian gooseberry leaf extract has been used with apparent safety at a dose of 750 mg daily for 10 days (99846). ...when used topically and appropriately. An emulsion containing Indian gooseberry extract 3% and other ingredients has been applied safely to the skin twice daily for up to 60 days (111571).

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

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LIKELY SAFE ...when sweet orange juice or fruit is used orally in amounts commonly found in foods (1310,3340,15171,92309).

POSSIBLY SAFE ...when the essential oil of sweet orange is inhaled as aromatherapy, short-term (35735,58060,90505,105455). There is insufficient reliable information available about the safety of sweet orange peel when used orally.

CHILDREN: LIKELY SAFE
when sweet orange juice or fruit is used orally in amounts commonly found in foods.

CHILDREN: POSSIBLY UNSAFE
when the sweet orange peel is used orally in excessive amounts. There have been reports of intestinal colic, convulsions, and death in children given large amounts of sweet orange peel (11).

PREGNANCY AND LACTATION: LIKELY SAFE
when sweet orange juice or fruit is used orally in amounts commonly found in foods (1310,3340).

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = B Theoretically, Indian gooseberry may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs; however, research is conflicting.  Details Clinical research shows that taking Indian gooseberry 500 mg as a single dose or twice daily for 10 days reduces platelet aggregation by about 24% to 36%, increases bleeding time by about 3.8-5.9 seconds, and increases clotting time by about 9.8-12.7 seconds when compared to baseline. However, taking Indian gooseberry 500 mg along with clopidogrel 75 mg or ecosprin 75 mg, as a single dose or for 10 days, does not significantly reduce platelet aggregation or increase bleeding time or clotting time when compared with clopidogrel 75 mg or ecosprin 75 mg alone (92514). Until more is known, use caution when taking Indian gooseberry in combination with anticoagulant/antiplatelet drugs.

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = B Taking Indian gooseberry with antidiabetes drugs might increase the risk of hypoglycemia.  Details Clinical research shows that taking Indian gooseberry fruit or fruit extract alone or in conjunction with antidiabetes medications can lower blood glucose levels (31025,105355,105356,111569). Dose adjustments to diabetes medications might be necessary.

ASPIRIN Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = B Theoretically, Indian gooseberry may increase the risk of bleeding if used with aspirin; however, research is conflicting.  Details Clinical research shows that taking Indian gooseberry 500 mg as a single dose or twice daily for 10 days reduces platelet aggregation by about 24% to 36%, increases bleeding time by about 3.8-5.9 seconds, and increases clotting time by about 9.8-12.7 seconds when compared to baseline. However, taking a single dose of Indian gooseberry 500 mg along with ecosprin 75 mg, or taking a combination of Indian gooseberry 500 mg twice daily plus ecosprin 75 mg once daily for 10 days, does not significantly reduce platelet aggregation or increase bleeding time or clotting time when compared with ecosprin 75 mg alone (92514).

CLOPIDOGREL (Plavix) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = B Theoretically, Indian gooseberry may increase the risk of bleeding if used with clopidogrel; however, research is conflicting.  Details Clinical research shows that taking Indian gooseberry 500 mg as a single dose or twice daily for 10 days reduces platelet aggregation by about 24% to 36%, increases bleeding time by about 3.8-5.9 seconds, and increases clotting time by about 9.8-12.7 seconds when compared to baseline. However, taking a single dose of Indian gooseberry 500 mg along with clopidogrel 75 mg, or taking a combination of Indian gooseberry 500 mg twice daily plus clopidogrel 75 mg once daily for 10 days, does not significantly reduce platelet aggregation or increase bleeding time or clotting time when compared with clopidogrel 75 mg alone (92514).

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CELIPROLOL (Celicard) Interaction Rating = Major Do not take this combination. Severity = Moderate •  Occurrence = Likely •  Level of Evidence = B Consuming sweet orange with celiprolol can decrease oral absorption of celiprolol.  Details A pharmacokinetic study in healthy volunteers shows that celiprolol levels, after a single dose of 100 mg, are decreased by up to 90% in people who drink sweet orange juice 200 mL three times daily. It's not known if lower consumption of sweet orange juice will have the same effect. Theoretically, this occurs due to short-term inhibition of organic anion transporting polypeptide (OATP) (12115,17603,17604). Recommend separating drug administration and consumption of sweet orange by at least 4 hours (17603,17604).

FEXOFENADINE (Allegra) Interaction Rating = Moderate Be cautious with this combination. Severity = Mild •  Occurrence = Likely •  Level of Evidence = B Consuming sweet orange juice with fexofenadine can decrease oral absorption of fexofenadine.  Details Clinical research shows that coadministration of sweet orange juice 1200 mL decreases bioavailability of fexofenadine by about 72% (7046,17604). In an animal model, sweet orange juice decreased bioavailability of fexofenadine by 31% (17605). Fexofenadine manufacturer data indicates that concomitant administration of sweet orange juice and fexofenadine results in larger wheal and flare sizes in research models. This suggests that sweet orange reduces the clinical response to fexofenadine (17603). Theoretically, this occurs due to short-term inhibition of organic anion transporting polypeptide (OATP) (7046). Recommend separating drug administration and consumption of sweet orange by at least 4 hours (17603,17604).

IVERMECTIN (Stromectol, others) Interaction Rating = Major Do not take this combination. Severity = Moderate •  Occurrence = Likely •  Level of Evidence = B Consuming sweet orange juice with ivermectin can decrease the oral absorption of ivermectin.  Details A pharmacokinetic study in healthy volunteers shows that taking ivermectin orally with sweet orange juice 750 mL over 4 hours reduces the bioavailability of ivermectin. This effect does not seem to be related to effects on P-glycoprotein. The effect on ivermectin is more pronounced in males compared to females (12154).

ORGANIC ANION-TRANSPORTING POLYPEPTIDE SUBSTRATES (OATP) Interaction Rating = Major Do not take this combination. Severity = Moderate •  Occurrence = Likely •  Level of Evidence = B Consuming sweet orange juice can decrease oral absorption of OATP substrates. Separate administration by at least 4 hours.  Details Clinical research shows that consuming sweet orange juice inhibits OATP, which reduces bioavailability of oral drugs that are substrates of OATP (17603,17604). For example, sweet orange juice decreases bioavailability of fexofenadine, a substrate of OATP, by about 72% and of celiprolol, another OATP substrate, by up to 90% (7046,12115). Since sweet orange juice seems to affect OATP for a short time, recommend separating drug administration and consumption of sweet orange juice by at least 4 hours (17603,17604).

P-GLYCOPROTEIN SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = B Sweet orange juice seems to modulate P-glycoprotein (P-gp), which might affect the blood levels of P-gp substrates.  Details Animal and in vitro research suggest that orange juice extract inhibits drug efflux by P-gp, increasing absorption and levels of P-gp substrates (12116,15327). In contrast, pharmacokinetic research in humans shows that drinking large amounts of sweet orange juice decreases absorption and levels of the P-gp substrate celiprolol. This suggests that orange juice actually induces drug efflux by P-gp or affects drug levels by another mechanism such as inhibiting the gut drug transporter called organic anion transporting polypeptide (OATP) (7046,12115). Until more is known, sweet orange juice should be used cautiously in people taking P-gp substrates.

PRAVASTATIN (Pravachol) Interaction Rating = Major Do not take this combination. Severity = Moderate •  Occurrence = Likely •  Level of Evidence = B Consuming sweet orange juice with pravastatin can increase the absorption of pravastatin.  Details A small pharmacokinetic study in healthy volunteers shows that consuming sweet orange juice 800 mL over 3 hours, including before, during, and after taking pravastatin 10 mg, increases pravastatin levels by about 149%, without affecting pravastatin elimination. Theoretically this effect might be due to modulation of organic anion transporting polypeptides (OATPs) by sweet orange juice (14348). Sweet orange juice does not seem to affect simvastatin levels, but it is not known if sweet orange affects any of the other statins.

QUINOLONE ANTIBIOTICS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Calcium-fortified sweet orange juice might reduce quinolone absorption.  Details Calcium binds to quinolones in the gut. Theoretically, the calcium in certain fortified orange juices can also bind to quinolone antibiotics and reduce their absorption and levels (4412,10339,13714,21638,38570).

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General ...Orally, Indian gooseberry seems to be well tolerated.

Dermatologic ...Orally, itching has been reported by one individual in a clinical trial (105354).

Gastrointestinal ...Orally, epigastric discomfort or dyspepsia have been reported by up to four individuals in clinical trials (105354,105356).

Hepatic ...In clinical research, increased serum glutamic pyruvic transaminase (SGPT) levels, with otherwise normal liver function, occurred in patients taking Ayurvedic formulations containing ginger, Tinospora cordifolia, and Indian gooseberry, with or without Boswellia serrata. The SGPT levels normalized after discontinuing the treatments (89557). It is unclear if these hepatic effects were due to Indian gooseberry or other ingredients contained in the formulations.

Musculoskeletal ...Orally, musculoskeletal pain has been reported by three individuals in a clinical trial (105354).

Neurologic/CNS ...Orally, fatigue has been reported by one individual in a clinical trial (105354).

Pulmonary/Respiratory ...Orally, breathlessness has been reported by one individual in a clinical trial (105354).

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General ...Orally, sweet orange juice or fruit seem to be well tolerated. Large amounts of sweet orange peel may be unsafe, especially for children. When inhaled, sweet orange essential oil seems to be generally well tolerated.

Gastrointestinal ...There have been reports of intestinal colic in children following ingestion of large amounts of sweet orange peel (11).

Neurologic/CNS ...There have been reports of convulsions in children following ingestion of large amounts of sweet orange peel (11).

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