Formula 15 Energy Boost by NESS Nutritional Enzyme Support System

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Diabetes. Although there has been interest in using oral alfalfa for diabetes, there is insufficient reliable information about the clinical effects of alfalfa for this purpose.
• Dyspepsia. Although there has been interest in using oral alfalfa for dyspepsia, there is insufficient reliable information about the clinical effects of alfalfa for this purpose.
• Hypercholesterolemia. It is unclear if oral alfalfa seeds are beneficial in patients with hypercholesterolemia. Details: A small, uncontrolled clinical study in patients with hypercholesterolemia shows that taking heat-prepared alfalfa seeds 40 grams three times daily for 8 weeks reduces total cholesterol and low-density lipoprotein (LDL) cholesterol levels when compared to baseline (5816). The validity of these findings is limited by the lack of a control group.
• Menopausal symptoms. Although there has been interest in using oral alfalfa for menopausal symptoms, there is insufficient reliable information about the clinical effects of alfalfa for this purpose. There is insufficient reliable information available about the effectiveness of alfalfa for its other uses.

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POSSIBLY EFFECTIVE

• Hypertension. Oral blue-green algae seem to modestly reduce blood pressure in patients with hypertension. Details: Some small clinical studies show that blue-green algae can decrease blood pressure in patients with hypertension (97206,99654). A meta-analysis of five small clinical trials in patients with hypertension, type 2 diabetes, or chronic pain shows that taking spirulina blue-green algae 1-8 grams daily for up to 12 weeks reduces systolic blood pressure (SBP) by 5 mmHg and diastolic blood pressure (DBP) by 7 mmHg when compared with placebo. The effect size was larger in patients with hypertension and in those treated for at least 12 weeks (109964). Another small clinical study shows that taking spirulina blue-green algae (A. maxima) 4.5 grams daily for 6 weeks decreases blood pressure in adults with hypertension, with the number of subjects fulfilling the criteria for hypertension decreasing from 45% to 14% when compared to baseline (18297). A more recent clinical study in patients with hypertension shows that consuming a salad dressing containing 2 grams spirulina blue-green algae daily for 8 weeks reduces SBP by around 6 mmHg and DBP by around 4 mmHg when compared to baseline. While overall reduction in blood pressure with spirulina dressing was larger when compared with patients consuming a control dressing, the study groups were heterogenous at baseline, limiting the validity of any statistical comparisons between groups (109965).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Allergic rhinitis (hay fever). It is unclear if oral blue-green algae are beneficial in allergic rhinitis. Details: Preliminary clinical research shows that taking spirulina blue-green algae (A. platensis) 2 grams daily for 6 months, improves self-rated scores for sneezing, nasal discharge, nasal congestion, and itching when compared with placebo in adults with allergic rhinitis (18300).
• Antiretroviral-induced insulin resistance. It is unclear if oral blue-green algae are beneficial for insulin resistance due to antiretrovirals. Details: Preliminary clinical research shows that taking spirulina blue-green algae (A. platensis) 19 grams daily for 2 months increases insulin sensitivity by about 225% when compared to baseline in patients with antiretroviral-induced insulin resistance (75944). The validity of this finding is limited by the lack of a comparator group.
• Anxiety. Although there has been interest in using oral blue-green algae for anxiety, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Arsenic poisoning. It is unclear if oral blue-green algae are beneficial for chronic arsenic toxicity. Details: Preliminary clinical research in people living in areas of Bangladesh with high arsenic levels in drinking water shows that taking a combination of an alcoholic extract of spirulina blue-green algae 250 mg and zinc 2 mg orally twice daily for 16 weeks, in addition to use of filtered drinking water, increases urinary arsenic excretion, reduces hair arsenic levels, and improves skin manifestations of chronic arsenic toxicity when compared with placebo plus filtered water (18301).
• Athletic performance. Most research suggests that oral blue-green algae are not beneficial for improving athletic performance; however, the available studies are small. Details: AAlthough some research disagrees, most small or preliminary clinical trials show that taking spirulina blue-green algae does not improve athletic performance in trained or untrained adults. One study shows that, when compared with placebo, taking spirulina blue-green algae (Hawaiian Spirulina, Cyanotech Corporation) 3 grams daily for up to 8 weeks has no effect on exercise output during a 30-minute elliptical trainer workout in active males (97203). In elite rugby players, taking spirulina blue-green algae (Algae Green Value) 5.7 grams daily for 7 weeks does not improve jump or sprint performance or body composition when compared to placebo (104567). In healthy untrained males, a small study shows that taking spirulina blue green algae 6 grams daily for 7 days does not increase the time to fatigue related to arm cycling following a 30-minute submaximal exercise bout (104566). In male recreational runners, spirulina blue-green algae (A. platensis) 2 grams three times daily for 4 weeks was not associated with any change in exercise intensity during a 2-hour treadmill jogging period. However, sprinting time to exhaustion following the 2-hour jog increased from 2.05 minutes to 2.7 minutes (18306). Also, a study of athletes and non-athletes shows that taking spirulina blue-green algae (Parry Nutraceuticals) 2 grams daily for 8 weeks has a small effect on isometric muscle strength, but not muscle endurance, when compared with placebo (104568).
• Attention deficit-hyperactivity disorder (ADHD). Oral blue-green algae have only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research shows that taking 3 mL of a specific combination of spirulina blue-green algae, peony, ashwagandha, gotu kola, bacopa, and lemon balm (Nurture and Clarity, Tree of Healing-LD) diluted in 50-60 mL of water three times daily for 4 months improves ADHD scores when compared with placebo in previously untreated children aged 6-12 years (19272). It is unclear if this effect is due to blue-green algae, other ingredients, or the combination.
• Beta-thalassemia. It is unclear if oral blue-green algae are beneficial in beta-thalassemia. Details: In children with beta-thalassemia, preliminary clinical research shows that taking spirulina blue-green algae (GNC Natural Brand Spirulina, General Nutrition Corporation) 250 mg/kg daily, up to a maximum dose of 4 grams daily, for 3 months reduces the percentage of children requiring blood transfusion during an interval of less than 2 weeks from 66% to 40%. There were also improvements in red blood cell count and levels of hemoglobin, ferritin, and liver function enzymes (104569). However, the validity of these findings is limited by the lack of a comparator group.
• Blepharospasm. It is unclear if oral blue-green algae are beneficial when used in conjunction with botulinum toxin injections. Details: Preliminary clinical research shows that taking a specific product containing the blue-green algae species Aphanizomenon flos-aquae (Super Blue-Green Algae, Cell Tech) 1500 mg per day orally for 6 months in addition to botulinum toxin-A injections does not reduce eyelid spasms when compared with botulinum toxin-A alone in people with essential blepharospasm or Meige syndrome (14842).
• Cancer. Although there has been interest in using oral blue-green algae for cancer, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Cardiovascular disease (CVD). Although there has been interest in using oral blue-green algae for CVD, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Cognitive Impairment. It is unclear if oral blue-green algae are effective for improving cognitive impairment. Details: A small clinical study in patients aged 60 or older with mild cognitive impairment shows that taking blue-green algae extract 1 gram 3 times daily for 12 weeks slightly improves some components of cognitive function testing related to visual learning, memory, and vocabulary when compared with placebo (112001). However, the validity of these findings is limited by lack of adjustment for multiple comparisons, which may explain the discrepant results with the other components of the cognitive function tests.
• Depression. Although there has been interest in using oral blue-green algae for depression, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Diabetes. It is unclear if oral blue-green algae are beneficial in diabetes. Details: A meta-analysis of seven small clinical studies in patients with type 2 diabetes shows that taking spirulina blue-green algae 0.8-14 grams daily for 6-12 weeks reduces fasting blood glucose and improves total cholesterol, triglycerides, and high-density lipoprotein (HDL) cholesterol, but does not affect low-density lipoprotein (LDL) cholesterol, when compared with placebo. There was no reduction in glycated hemoglobin (HbA1c); however, all but two of the studies lasted less than 12 weeks, limiting the validity of the findings related to HbA1c (109970).
• Dyslipidemia. It is unclear if oral blue-green algae are beneficial in dyslipidemia. Details: Several clinical studies in patients with normal or elevated cholesterol levels show that doses of spirulina blue-green algae (A. platensis, A. maxima, A. fusiformis) ranging from 1-10 grams daily for 1-6 months may reduce total cholesterol by 8% to 27%, low-density lipoprotein (LDL) cholesterol by 10% to 65%, and triglycerides by 0% to 23%; and increase high-density lipoprotein (HDL) cholesterol by 0% to 66% (18297,18298,18299,91705,91708,91710,91717,102689). However, the validity of these studies is limited by methodological weaknesses and heterogeneous population characteristics. A meta-analysis of 23 small studies, several of which were in patients with type 2 diabetes or obesity, shows that taking blue-green algae 0.8-10 grams for 4 to 24 weeks modestly improves levels of LDL, HDL, triglycerides, and total cholesterol when compared with placebo or no treatment (112004). The interpretation of these findings is limited by the high heterogeneity of the included studies which enrolled patients of varying health status and employed various study designs.
• Dyspepsia. Although there has been interest in using oral blue-green algae for dyspepsia, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Exercise-induced muscle soreness. It is unclear if oral blue-green algae are effective for the prevention of exercise-induced muscle soreness. Details: A small clinical study in recreationally trained males shows that taking spirulina blue-green algae 2 grams three times daily does not reduce delayed onset muscle soreness after eccentric exercise when compared with placebo (109967).
• Hepatitis C. Evidence for the use of oral blue-green algae in hepatitis C is conflicting. Details: One clinical study in adults with chronic hepatitis C who are unresponsive to interferon treatment shows that taking spirulina blue-green algae (A. platensis) 500 mg orally three times daily for 6 months is associated with greater improvements in alanine aminotransferase (ALT) levels than taking silymarin 140 mg three times daily. Complete virological response rates were 13% with blue-green algae and 3% with silymarin, although this difference was not statistically significant (63247). However, in another study in people with chronic hepatitis B or C, liver function enzyme levels worsened after one month of treatment with oral spirulina blue-green algae (18304).
• HIV/AIDS. It is unclear if oral blue-green algae are beneficial for people with HIV/AIDS who do not have access to antiretrovirals. Details: One clinical study in adults with untreated HIV shows that taking spirulina blue-green algae (A. platensis) powder 5-10 grams daily for 3-6 months does not affect CD4 counts, viral load, or weight gain in patients with HIV (75927,91707). However, in one study, the incidence of opportunistic infections, respiratory disease, gastrointestinal symptoms, and fatigue was 43% for patients taking spirulina blue-green algae, compared to 70% for patients taking placebo (91707).
• Iron deficiency anemia. Although there has been interest in using oral blue-green algae for iron deficiency anemia, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Lichen planus. It is unclear if oral blue-green algae are beneficial in patients with oral lichen planus. Details: A small clinical study in patients with oral lichen planus shows that taking spirulina blue-green algae 500 mg twice daily for 8 weeks along with application of triamcinolone acetonide 0.1% oral paste three times daily for 1 week reduces pain and lesion size when compared with only triamcinolone acetonide three times daily for 8 weeks (109963).
• Malnutrition. Evidence for the use of oral blue-green algae in malnutrition is conflicting. Details: Some clinical research in severely undernourished children shows that adding spirulina blue-green algae (A. platensis) 5 grams orally twice daily for 8 weeks to a traditional diet results in an average daily weight gain of 25 grams, compared with only 15 grams for those given the traditional diet alone. Similarly, giving blue-green algae 10 grams twice daily for 8 weeks in addition to a misola diet (millet, soy, peanut kernel, sugar, and salt) results in an average daily weight gain of 34 grams, compared with only 20 grams for children given the misola diet alone (18308). However, a small clinical study in malnourished children aged 3 months to 3 years shows that giving spirulina blue-green algae 5 grams daily for 3 months in addition to a traditional diet fails to increase weight gain more than the traditional diet alone (18309). Similarly, a moderate-size crossover study in preschool-aged children in Cambodia shows that taking blue-green algae 2 grams 5 times a week during the first hour of school for 8 weeks does not improve weight gain or height but may reduce the proportion of children with anemia when compared with placebo (112002). The interpretation of these findings is limited by the high rate of patients lost to follow-up and the lack of statistical adjustment for confounding factors, such as parasitism and home diet.
• Memory. Although there has been interest in using oral blue-green algae for memory, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Menopausal symptoms. It is unclear if oral blue-green algae are beneficial for improving symptoms of menopause. Details: A preliminary clinical study shows that taking a product containing the blue-green algae species Aphanizomenon flos-aquae (Klamin, Nutrigea) 1.6 grams daily for 8 weeks reduces anxiety and depression when compared with placebo in menopausal adults aged 50-60 years. The treatment has no effect on vasomotor symptoms or hormone levels (18310).
• Mental alertness. It is unclear if oral blue-green algae are beneficial for reducing mental fatigue. Details: A preliminary clinical study shows that taking spirulina blue-green algae (Hawaiian Spirulina, Cyanotech Corporation) 3 grams daily for up to 8 weeks improves performance on a mathematical based mental fatigue test in healthy men when compared with placebo. Subjective improvement in mental alertness over placebo was also reported (97203).
• Metabolic syndrome. It is unclear if oral blue-green algae are beneficial in patients with metabolic syndrome. Details: A small clinical study in patients with metabolic syndrome shows that taking spirulina blue-green algae (Spirulysat, AlgoSource), providing phycocyanin 20 mg, daily for 12 weeks improves triglyceride levels, but does not reduce body mass index, waist circumference, blood pressure, glycemic indices, or other lipid levels, when compared with placebo (109971).
• Nonalcoholic fatty liver disease (NAFLD). Although there has been interest in using oral blue-green algae for NAFLD, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Obesity. Evidence for the use of blue-green algae in obesity is conflicting. Details: Small, low-quality clinical trials have shown mixed results in people with obesity (18295,91717,97205,99655,99703,102688). When results are analyzed together, there is evidence of a very small benefit for both body weight and plasma lipid levels. Two meta-analyses show that taking spirulina blue-green algae may increase weight loss by up to 1.85 kg when compared with placebo (102690,104565). A greater effect is seen in patients with obesity when compared with overweight patients. In addition, there is a small effect on fat loss (102690). However, there is evidence from two studies lasting longer than 12 weeks that taking blue-green algae may slightly increase BMI (104565). A meta-analysis of small clinical trials also shows that taking spirulina blue-green algae reduces fasting blood sugar and total cholesterol levels by a small amount when compared with placebo, but has no effect on low-density lipoprotein (LDL) cholesterol or triglyceride levels, in patients with obesity (102689). When combined with an exercise program, taking spirulina blue-green algae increases weight loss by 1.4 kg and improves exercise tolerance and total, LDL, and high-density lipoprotein (HDL) cholesterol levels when compared with exercise alone (99655,102688). Doses have included a specific product containing the spirulina blue-green algae species A. fusiformis (Multinal, New Ambadi Estate Pvt. Ltd.) 1 gram twice daily or four times daily for 3 months (91717) or spirulina blue-green algae 2 grams daily for 3 months, or 4.5 grams daily for 6 weeks, alone or in combination with exercise (97205,99655,102688).
• Oral leukoplakia. It is unclear if oral blue-green algae are beneficial for oral leukoplakia in tobacco chewers. Details: Preliminary clinical research shows that taking spirulina blue-green algae (A. fusiformis) orally 1 gram daily for 12 months produces regression of precancerous oral leukoplakia lesions in 45% of tobacco chewers, compared to only 7% of those receiving placebo. Regression rates appear to be highest in those with homogeneous lesions and lowest in those with ulcerated or nodular lesions (15782).
• Periodontitis. It is unclear if injecting blue-green algae into periodontal pockets is beneficial in periodontitis. Details: Preliminary clinical research shows that injecting a 4% w/v gel prepared from spirulina blue-green algae into periodontal pockets of adults with chronic periodontitis, after scaling and root planing, is associated with a decrease in probing pocket depth of 1.57 mm after 120 days, compared with only 0.84 mm in patients receiving scaling and root planing alone (91709).
• Premenstrual syndrome (PMS). Although there has been interest in using oral blue-green algae for PMS, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Stress. Although there has been interest in using oral blue-green algae for stress, there is insufficient reliable information about the clinical effects of blue-green algae for this condition.
• Ulcerative colitis. It is unclear if oral blue-green algae are beneficial in patients with ulcerative colitis. Details: A small clinical study in patients with ulcerative colitis shows that taking spirulina blue-green algae 500 mg twice daily for 8 weeks improves quality of life scores and reduces stress and sleep disturbances when compared with placebo. However, there was no effect on most measures of sleep quality, mood, and fatigue (109969).
• Wound healing. Although there has been interest in using oral blue-green algae for wound healing, there is insufficient reliable information about the clinical effects of blue-green algae for this condition. More evidence is needed to rate blue-green algae for these uses.

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INSUFFICIENT RELIABLE EVIDENCE to RATE

• Celiac disease. Although there has been interest in using oral lipase for celiac disease, there is insufficient reliable information about the clinical effects of lipase for this purpose.
• Dyspepsia. It is unclear if oral lipase is beneficial for improving symptoms of postprandial distress syndrome. Details: A small clinical trial shows that taking a specific acid-resistant lipase (Amano Enzyme USA) 280 mg immediately before a high-fat meal does not reduce postprandial bloating and nausea when compared with placebo in individuals with postprandial distress syndrome (101900).
• Inflammatory bowel disease (IBD). Although there has been interest in using oral lipase for IBD, there is insufficient reliable information about the clinical effects of lipase for this purpose.
• Prematurity. It is unclear if adding a specific form of lipase, recombinant human bile salt-stimulated lipase (rhBSSL), to infant formula improves outcomes in premature infants. Some research suggests a potential increased risk for adverse effects. Details: Human breast milk contains rhBSSL, but it is inactivated when breast milk is pasteurized for donation. Clinical research in infants born before 32 weeks' gestation shows that adding rhBSSL as 8700 units per 100 mL formula or pasteurized breast milk, for 4 weeks does not increase growth velocity, body length, or head circumference over the next 12 months when compared with formula or pasteurized breast milk devoid of lipase. However, the infants who were small for gestational age (SGA), which made up approximately 15% of the study population, grew by an additional 1.9 grams/kg daily on average when compared with placebo (101940). More evidence is needed to rate lipase for these uses.

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INSUFFICIENT RELIABLE EVIDENCE to RATE

• Melasma. Preliminary clinical research in adults with melasma shows that applying a brewed parsley water to the face with a cotton ball on 6 days of each week for 8 weeks is as effective as hydroquinone 4% cream for improving dark spots (96828). More evidence is needed to rate parsley for this use.

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Proteolytic enzymes represent a wide group of enzymes that are used alone or in combination. See specific monographs for effectiveness information.

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POSSIBLY SAFE ...when the leaves are used orally and appropriately, short-term (4,6,12).

LIKELY UNSAFE ...when large amounts are used long-term. Chronic ingestion of alfalfa has been associated with drug-induced lupus effects (381,14828,30602).

PREGNANCY AND LACTATION: POSSIBLY UNSAFE
when used orally in medicinal amounts. Alfalfa contains constituents with possible estrogenic activity (4,11,30592).

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POSSIBLY SAFE ...when non-contaminated species of spirulina blue-green algae are used orally and appropriately (91713). The blue-green algae species Arthrospira platensis has been used with apparent safety in doses up to 19 grams daily for 2 months, or 10 grams daily for 6 months (18296,18300,18306,75944,91705,99703,104567,109965). The blue-green algae species Arthrospira fusiformis has been used with apparent safety in doses up to 4 grams daily for 3 months, or 1 gram daily for 12 months (15782,91717). Another blue-green algae species, Arthrospira maxima, has been used with apparent safety in a dose of 4.5 grams daily for up to 12 weeks (18297,99654,99655,102688). ...when non-contaminated, non-toxin producing strains of blue-green algae from the Aphanizomenon flos-aquae species are used orally and appropriately. Doses up to 1.6 grams daily have been used with apparent safety for up to 6 months (14842,18310). Some blue-green algae species can produce toxins called microcystins. According to the World Health Organization (WHO), the tolerable daily intake of microcystins in adults is 0.04 mcg/kg (96549).

POSSIBLY UNSAFE ...when contaminated blue-green algae are used orally. Blue-green algae can be contaminated with heavy metals (including mercury, cadmium, lead, or arsenic), neurotoxins, and toxic microcystin-producing cyanobacteria such as Microcystis aeruginosa (9171,75966,91704,91711,96550). Microcystins are most commonly reported in the blue-green algae species Aphanizomenon flos-aquae harvested from Upper Klamath Lake in Oregon. The Oregon Department of Health has set a limit of 1 mcg of microcystin-LR equivalents per gram dry weight of blue-green algae, assuming consumption of about 2 grams/day by adults (91704,91713). However, many samples of Aphanizomenon flos-aquae have been reported to contain higher levels than this (9171,91704). According to the World Health Organization (WHO), the tolerable daily intake of microcystins in adults is 0.04 mcg/kg (96549). When consumed orally, microcystins accumulate in the liver, binding to and inhibiting protein phosphatases, causing hepatocyte damage and possible tumor promotion (9171). Aphanizomenon flos-aquae can also produce neurotoxic compounds that may be present in supplements containing this organism (91704).

CHILDREN: POSSIBLY UNSAFE
when blue-green algae products are used orally. Blue-green algae can accumulate heavy metals such as lead and mercury (91704,91711). They can also contain toxic microcystins produced by contaminating species of cyanobacteria such a Microcystis aeruginosa (91704). Children are more sensitive to poisoning by microcystins (3536). The Oregon Department of Health has set a limit for microcystins of 1 mcg per gram dry weight of blue-green algae, but some countries have set very low exposure limits of 0.2 mcg per day and 0.8 mcg per day for infants and children, respectively (91704).

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using. Some blue-green algae products, specifically those of the species Aphanizomenon flos-aquae, have been found to contain low amounts of beta-methylamino-L-alanine (BMAA). BMAA is associated with neurodegenerative diseases, and breast milk has been shown to be a potential source of BMAA exposure in infants (96550).

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There is insufficient reliable information available about the safety of lipase.

CHILDREN: POSSIBLY UNSAFE
when recombinant human bile salt-stimulated lipase (rhBSSL) is used orally by premature infants. Adding rhBSSL to infant formula or pasteurized breast milk increases the risk for serious gastrointestinal adverse effects in premature infants (101940).

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

(Read more about LIPASE)

LIKELY SAFE ...when used orally in amounts commonly found in foods. Parsley has Generally Recognized as Safe (GRAS) status in the US (4912).

POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts, short-term (12,13173).

LIKELY UNSAFE ...when used orally in very large doses e., 200 grams). Parsley oil contains significant amounts of the potentially toxic constituents, apiole and myristicin (11). Apiole can cause blood dyscrasias, kidney toxicity, and liver toxicity; myristicin can cause giddiness and hallucinations (4). ...when parsley seed oil is used topically. Applying parsley seed oil to the skin can cause photodermatitis upon sun exposure (4). There is insufficient reliable information available about the safety of the topical use of parsley leaf and root.

PREGNANCY: LIKELY UNSAFE
when used orally in medicinal amounts. Parsley has been used orally as an abortifacient and to stimulate menstrual flow (4,12,515,19104,92873). Population evidence suggests that maternal intake of An-Tai-Yin, an herbal combination product containing parsley and dong quai, during the first trimester increases the risk of congenital malformations of the musculoskeletal system, connective tissue, and eyes (15129).

LACTATION:
Insufficient reliable information available; avoid using.

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POSSIBLY SAFE ...when used orally and appropriately. Various proteolytic enzymes have been safely used orally in clinical research (716,964,965,968,969,6252,6253,10622,11457,18281,18284) (91104,91105,91106,91111,96449). Side effects are typically mild to moderate and most often include gastrointestinal effects. See specific monographs for more detailed information related to the safety of individual proteolytic enzymes. ...when used topically and appropriately. Various proteolytic enzymes have been safely used topically in clinical research (67835,67843,67845,91113). Some proteolytic enzymes might cause allergic reactions when used topically. See specific monographs for more detailed information related to the safety of individual proteolytic enzymes.

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

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ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, alfalfa might increase the risk of hypoglycemia when taken with antidiabetes drugs.  Details Animal research suggests that alfalfa decreases blood sugar in diabetic mice (30605). Also, in one case report, a diabetic patient experienced hypoglycemia after consuming alfalfa extract (30608). Monitor blood glucose levels closely. Dose adjustments might be necessary.

CONTRACEPTIVE DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, alfalfa might interfere with the activity of contraceptive drugs.  Details Alfalfa contains coumestrol, a phytoestrogen, and isoflavonoids, which have estrogenic effects (4,30592).

ESTROGENS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, alfalfa might interfere with hormone therapy.  Details Alfalfa contains coumestrol, a phytoestrogen, and isoflavonoids, which have estrogenic effects (4,30592).

IMMUNOSUPPRESSANTS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, alfalfa might decrease the efficacy of immunosuppressive therapy.  Details In vitro research and human case reports suggest that alfalfa may have immunostimulant effects (12174,14828,14829).

PHOTOSENSITIZING DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.  Details Animal research suggests that excessive doses of alfalfa may increase photosensitivity, possibly due to its chlorophyll content (106043). It is unclear if this effect would be clinically relevant in humans.

WARFARIN (Coumadin) Interaction Rating = Major Do not take this combination. Severity = High •  Occurrence = Probable •  Level of Evidence = D Theoretically, alfalfa might reduce the anticoagulant activity of warfarin.  Details Alfalfa contains a large amount of vitamin K (4,6). This could theoretically interfere with the activity of warfarin.

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Unlikely •  Level of Evidence = D Theoretically, spirulina blue-green algae might increase the risk of bleeding if used with other anticoagulant or antiplatelet drugs. However, this is unlikely.  Details Spirulina blue-green algae have shown antiplatelet and anticoagulant effects in vitro (18311,18312,75892,92162,92163). However, one preliminary study in 24 patients receiving spirulina blue-green algae 2.3 grams daily for 2 weeks showed no effect on platelet activation or measures of clotting time (97202).

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = B Theoretically, taking blue-green algae with antidiabetes drugs might increase the risk of hypoglycemia.  Details Human research shows that spirulina blue-green algae can have hypoglycemic effects in patients with diabetes, at least some of whom were using antidiabetes drugs (18299). However, blue-green algae does not seem to improve glycated hemoglobin (HbA1c) levels in patients with diabetes (102689,109970). A meta-analysis of animal studies also suggests that spirulina blue-green algae have hypoglycemic effects (109970).

IMMUNOSUPPRESSANTS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, concurrent use of blue-green algae might interfere with immunosuppressive therapy.  Details Blue-green algae have been shown to stimulate the immune system (2534,10267).

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Animal research suggests that parsley has antiplatelet effects (68209). Theoretically, concomitant use of parsley with other anticoagulant/antiplatelet drugs might reduce platelet aggregation and increase the risk of bleeding.  Details Some anticoagulant/antiplatelet drugs include aspirin, clopidogrel (Plavix), ticagrelor (Brilinta) diclofenac (Voltaren, Cataflam), ibuprofen (Advil, Motrin), naproxen (Anaprox, Naprosyn), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, warfarin (Coumadin), and others.

CYTOCHROME P450 1A2 (CYP1A2) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Laboratory research suggests that parsley can inhibit cytochrome P450 1A2 (CYP1A2) (68176). Theoretically concomitant use may increase the levels of CYP1A2 substrates.  Details Some drugs metabolized by CYP1A2 include amitriptyline (Elavil), haloperidol (Haldol), ondansetron (Zofran), propranolol (Inderal), theophylline (Theo-Dur, others), verapamil (Calan, Isoptin, others), and others.

DIURETIC DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Animal research suggests that parsley seed extract increases urine elimination (68119). Theoretically, parsley leaf and root might interfere with diuretic therapy due to aquaretic effects (512).  Details Some diuretic drugs include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril, Microzide), spironolactone (Aldactone), triamterene (Dyrenium), and others.

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General ...Orally, alfalfa leaf seems to be well tolerated. However, a thorough evaluation of safety outcomes has not been conducted.
Most Common Adverse Effects:
Orally: Abdominal discomfort, diarrhea, and flatulence.
Serious Adverse Effects (Rare):
Orally: Lupus-like syndrome after chronic ingestion of alfalfa.

Dermatologic ...Dermatitis associated with alfalfa use has been reported. In a 1954 publication, dermatitis was noted in a 61-year-old female consuming 4-6 cups of tea made with two tablespoonfuls of alfalfa seeds for approximately two months prior to onset. Examination revealed diffuse, confluent edema and erythema on the face, eyelids, ears, hands, forearms, and distal humeral regions. The dermatitis improved with treatment; re-exposure to alfalfa resulted in a similar reaction (30609).

Endocrine ...Alfalfa contains constituents, including coumestrol, with reported estrogenic activity (30586,30592,4753). Effects in humans are not known.
One case report documents hypokalemia in a female who had been drinking a "cleansing tea" containing alfalfa, licorice, and stinging nettle. The potassium level returned to normal after discontinuing the tea and initiating potassium supplementation. The specific cause of the hypokalemia is not clear. Notably, both stinging nettle and licorice have been associated with hypokalemia and may have been responsible for this effect (30562).

Gastrointestinal ...Orally, flatulence and bulkier feces were reported during the first week of a case series of three subjects ingesting alfalfa (30598). In a case series of 15 patients ingesting alfalfa, increased fecal volume and increased stool frequency was reported. Additional adverse effects included abdominal discomfort in two patients, diarrhea in two patients, loose stools in six patients, and intestinal gas in 13 patients (5816).

Hematologic ...Pancytopenia and splenomegaly were reported in a 59-year-old male who had been taking 80-160 grams of ground alfalfa seeds for up to six weeks at a time, for a five month period. Hematologic values and spleen size returned to normal when alfalfa was discontinued (381).

Other ...Alfalfa products, including sprouts, seeds, and tablets, have been found to be contaminated with Escherichia coli, Salmonella, and Listeria monocytogenes, which have caused documented infections (5600,30566,30568,30572,30569,30564,30604,30610,30563,30607) (30566,30564,30604,30610,30563,30607,30576).
Orally, alfalfa has been associated with the development of a lupus-like syndrome in animals and humans (30594,14828,14830,30602), as well as with possible exacerbations of lupus in patients with known systemic lupus erythematosus (SLE). These reactions may be associated with the amino acid L-canavanine (30594), which appears to be present in alfalfa seeds and sprouts, but not leaves, and therefore should not be present in alfalfa tablets manufactured from the leaves (30601). However, case reports have included individuals ingesting tablets. A lupus-like syndrome was described in four patients taking 12-24 alfalfa tablets per day. Symptoms included arthralgias, myalgias, and rash; positive antinuclear antibodies (ANA) arose anywhere from three weeks to seven months after initiating alfalfa therapy. Upon discontinuation of alfalfa tablets, all four patients became asymptomatic. In two patients, ANA levels normalized (14828). Two additional reports have documented possible exacerbation or induction of SLE associated with alfalfa use. One case involved a female with a 26-year history of SLE, who had been taking 15 tablets of alfalfa daily for nine months prior to an exacerbation. Because of the delay in onset of the exacerbation from the initiation of alfalfa therapy, causation cannot be clearly established (30575). In a different report, SLE and arthritis were found in multiple family members who had been taking a combination of vitamin E and alfalfa tablets for seven years (30602). It is not known what other environmental or genetic factors may have affected these individuals, and the association with alfalfa is unclear.

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General ...Orally, spirulina blue-green algae seem to be well tolerated.
Most Common Adverse Effects:
Orally: Abdominal cramps, bloating, diarrhea, dizziness, fatigue, flatulence, headache, nausea, and vomiting.

Dermatologic ...Orally, a severe rash has been reported in a 49-year-old woman after taking a spirulina blue-green algae supplement (species and dose unknown). After stopping the supplement, inflammatory myopathy with muscle weakness and elevated creatine kinase occurred. The condition resolved with corticosteroid and cyclophosphamide treatment (75936). In another case report, an 82 year-old woman developed a blistering skin condition over a 2-year period while taking spirulina blue-green algae (A. platensis, dose unknown). She had partly hemorrhagic bullae, secreting erosions and macerations. These symptoms resolved when the supplement was stopped and the patient was treated with oral prednisone, topical silver sulfadiazine, and topical triamcinolone / neomycin (75921).

Gastrointestinal ...Orally, gastrointestinal complaints are amongst the most common adverse effects associated with spirulina blue-green algae, including nausea, vomiting, diarrhea, and abdominal cramps (19272,75924,91713,109969). Similarly, common adverse effects associated with the blue-green algae species Aphanizomenon flos-aquae are stomach upset, flatulence, diarrhea, and bloating (14842).

Hematologic ...Orally, three cases of mild gum bleeding and one case of mild bruising have been reported in patients taking spirulina blue-green algae (Cyactiv, Cerule LLC) 2. 3 grams daily (containing approximately 1 gram of phycocanin) for 2 weeks (97202).

Hepatic ...Orally, significant elevations of liver function tests within 2 weeks of starting a spirulina blue-green algae supplement (species and dose unknown) have been reported in a 52-year-old man stabilized on amlodipine, simvastatin, and acarbose. A biopsy showed feathery degeneration and ballooning of hepatic cells. Cholestasis was present, and an ex-vivo lymphocyte stimulation test for spirulina blue-green algae was positive. All drugs and the spirulina blue-green algae supplement were stopped, with return of the LFTs to normal (9172).

Immunologic ...Orally, urticarial rashes and pruritus have occurred as part of generalized allergic reactions to blue-green algae (91706,91711,91712).
In one case report, a 14-year-old male experienced anaphylaxis with urticaria, lip edema, and asthma 6 hours after taking five tablets of spirulina blue-green algae (A. platensis, strength unknown). He had a positive skin prick test. Oral challenge to an extract of the tablets, and IgE from his serum, reacted with the beta chain of C-phycocyanin from A. platensis (91712).
In another case report, a 17-year-old male with a history of multiple allergies developed rash, pruritus, angioedema, wheezing, and dyspnea within 10 minutes of taking spirulina blue-green algae (A. platensis) 300 mg. He had a positive skin test to A. platensis but no other ingredients of the tablets (91706).

Musculoskeletal ...Orally, after a 49-year-old woman stopped taking a spirulina blue-green algae supplement (species and dose unknown), the patient experienced inflammatory myopathy with muscle weakness and elevated creatine kinase. The condition resolved with corticosteroid and cyclophosphamide treatment (75936). Another case report describes acute rhabdomyolysis that occurred after consumption of spirulina (Arthrospira platensis, Hawaiian spirulina, Solgar Inc., Leonia, NJ) 3 grams daily for 1 month. The 24-year old man presented with weakness, myalgias, elevated creatine kinase and liver function tests, and myoglobinuria (75922).

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General ...No adverse effects have been reported in adults. However, a thorough evaluation of safety outcomes has not been conducted.
Serious Adverse Effects (Rare):
Orally: Gastrointestinal adverse effects, such as necrotizing enterocolitis, when recombinant human bile salt-stimulated lipase is used in premature infants.

Gastrointestinal ...Orally, when added to the formula or pasteurized breast milk consumed by premature infants, recombinant human bile salt-stimulated lipase (rhBSSL) can cause gastrointestinal adverse effects, including abdominal distension, flatulence, constipation, colic, abdominal pain, gastroenteritis, vomiting, regurgitation, and rectal bleeding (101940). Premature infants receiving rhBSSL also had a slightly higher rate of necrotizing enterocolitis (NEC) when compared with those receiving placebo. After review by a panel of experts, it was determined that the rate of confirmed or suspected NEC in infants consuming rhBSSL was 3.3%, compared with 0.5% in those receiving placebo. Although this rate of NEC is lower than the historical rate of occurrence in premature infants (11%), a possible increased risk for NEC cannot be ruled out (101940).

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General ...Orally, parsley seems to be well tolerated when used low to moderate doses. In rare cases, allergy to parsley has been reported (92869,92870). In large doses (i.e., 200 grams) parsley oil may cause significant adverse effects due to its potentially toxic constituents, apiole and myristicin (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include hemolytic anemia, thrombocytopenia purpura, nephrosis, hepatic dysfunction, and kidney irritation (4). Adverse effects specifically associated with the constituent myristicin include giddiness, deafness, hallucinations, hypotension, bradycardia, paralysis, and fatty degeneration of the liver and kidneys (4). Parsley oil can also cause contact photodermatitis with sun exposure (4).
Topically, parsley can cause contact photodermatitis (4).

Cardiovascular ...Parsley contains the potentially toxic constituent, myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with myristicin include hypotension and bradycardia (4).

Dermatologic ...Orally, parsley oil can cause contact photodermatitis with sun exposure (4).
Topically, parsley can cause contact photodermatitis (4).

Hematologic ...Parsley contains the potentially toxic constituent apiole, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include hemolytic anemia and thrombocytopenia purpura (4).

Hepatic ...Parsley contains the potentially toxic constituents, apiole and myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include hepatic dysfunction (4). Adverse effects specifically associated with the constituent myristicin include fatty degeneration of the liver (4).

Immunologic ...A case of anaphylaxis involving severe angioedema leading to unconsciousness has been reported in a woman who consumed parsley 45 minutes prior to symptoms. The patient responded to epinephrine, antihistamines, intravenous fluids, oxygen therapy, and 1 mg/kg methylprednisolone. The woman had consumed one cup of chopped parsley nearly every day for several years, but upon skin testing, the patient tested positive to parsley (92869). There is also a report of lip angioedema after consumption of raw parsley. The patient had anaphylaxis to raw arugula, and reported itchy red lesions after contact with the leaves of either raw parsley or arugula. The patient had positive skin prick tests to both plants. The reaction may have been due to oral allergy syndrome, as the patient could tolerate cooked arugula and parsley, but not raw (92870).

Ocular/Otic ...Parsley contains the potentially toxic constituent, myristicin, which can cause significant adverse effects at high doses (11). An adverse effect specifically associated with the constituent myristicin includes deafness (4).

Psychiatric ...Parsley contains the potentially toxic constituent, myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with the constituent myristicin include giddiness and hallucinations (4).

Renal ...Parsley contains the potentially toxic constituents, apiole and myristicin, which can cause significant adverse effects at high doses (11). Adverse effects specifically associated with more than 10 grams of the constituent apiole include nephrosis and kidney irritation (4). Adverse effects specifically associated with the constituent myristicin include fatty degeneration of the kidneys (4).

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General ...Orally, proteolytic enzymes are generally well tolerated. See specific monographs for detailed safety information related to individual proteolytic enzymes.
Most Common Adverse Effects:
Orally: Gastrointestinal upset.
Serious Adverse Effects (Rare):
Topically: Allergic reactions.

Gastrointestinal ...Orally, some patients taking proteolytic enzymes may have gastrointestinal complaints (101517).

Immunologic ...Proteolytic enzymes are commonly found in laundry detergents and pre-spotter products. Rarely, protease specific IgE positive tests possibly related to these products have occurred. Exposure may be airborne or topical (102705). In addition, in case reports, occupational exposure to the airborne proteolytic enzyme pepsin has resulted in allergic rhinoconjunctivitis or asthma (102706,102707).

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