Ingredients | Amount Per Serving |
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organic Olive leaf
(leaf)
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organic Vegetable Glycerin, Water
Below is general information about the effectiveness of the known ingredients contained in the product Yeast X Organic Anti-Yeast Supplement. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
There is insufficient reliable information available about the effectiveness of chaparral.
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
Below is general information about the safety of the known ingredients contained in the product Yeast X Organic Anti-Yeast Supplement. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
LIKELY UNSAFE ...when used orally. There are several reports of serious poisoning, acute hepatitis, and kidney and liver damage, including irreversible renal and hepatic failure (568,569,570,571,3484,3497,11121,11122,11129,41416,41445).
PREGNANCY AND LACTATION: LIKELY UNSAFE
when used orally.
There are several reports of serious poisoning, acute hepatitis, and kidney and liver damage, including irreversible renal and hepatic failure (568,569,570,571,3484,3497,11121,11122,11129,41416,41445). Advise patients not to use products containing chaparral.
POSSIBLY SAFE ...when used orally and appropriately as a single dose (260,261). There is insufficient reliable information available about the safety of goldenseal when used as more than a single dose.
CHILDREN: LIKELY UNSAFE
when used orally in newborns.
The berberine constituent of goldenseal can cause kernicterus in newborns, particularly preterm neonates with hyperbilirubinemia (2589).
PREGNANCY: LIKELY UNSAFE
when used orally.
Berberine is thought to cross the placenta and may cause harm to the fetus. Kernicterus has developed in newborn infants exposed to goldenseal (2589).
LACTATION:
LIKELY UNSAFE when used orally.
Berberine and other harmful constituents can be transferred to the infant through breast milk (2589). Use during lactation can cause kernicterus in the newborn and several resulting fatalities have been reported (2589).
LIKELY SAFE ...when consumed in amounts commonly found in food. Myrrh is approved for use in foods as a flavoring agent in the US (11).
POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts, short-term. Myrrh 400 mg three times daily has been safely used for up to 12 months (93653,104593). Myrrh 500 mg three times daily has been used with apparent safety for 2 weeks (104840). ...when used topically and appropriately (2,4,5,11,18). As a diluted bath, myrrh has been used with apparent safety for up to 7 days (104838,104839).
POSSIBLY UNSAFE ...when used orally in excessive doses. Myrrh may cause kidney irritation and diarrhea when used in doses of 2-4 grams (12).
PREGNANCY: LIKELY UNSAFE
when used orally.
Myrrh stimulates uterine tone and blood flow and may have an abortifacient effect (4,12,19,93645). There is insufficient reliable information available about the safety of the topical use of myrrh during pregnancy.
LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally in amounts commonly found in foods. Oregano leaf and oil have Generally Recognized as Safe (GRAS) status in the US (4912). There is insufficient reliable information available about the safety of oregano when used orally in amounts greater than those found in food. There is also insufficient reliable information available about the safety of oregano when used topically. Oregano oil in concentrations of greater than 1% may be irritating when applied to mucous membranes (67348,88188).
PREGNANCY: POSSIBLY UNSAFE
when used orally in medicinal amounts.
Oregano is thought to have abortifacient and emmenagogue effects (19,7122,19104).
LACTATION:
There is insufficient reliable information available about the safety of oregano when used in medicinal amounts; avoid amounts greater than those found in food.
POSSIBLY UNSAFE ...when used orally. The safety of pau d'arco in typical doses is unclear; however, serious toxicities have been found with high doses of the lapachol constituent (91939). In patients with cancer, doses of lapachol above 1.5 grams daily were associated with significant gastrointestinal toxicities and an increased risk of bleeding (91939). There is insufficient reliable information available about the safety of pau d'arco when used topically.
PREGNANCY: POSSIBLY UNSAFE
when used orally in typical doses.
Animal studies have found that lapachol, a constituent of pau d'arco, has teratogenic and abortifacient effects (68314,68315); avoid using. There is insufficient reliable information available about the safety of pau d'arco when used topically in pregnancy; avoid using.
LACTATION:
Insufficient reliable information available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product Yeast X Organic Anti-Yeast Supplement. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
Theoretically, chaparral might have additive adverse effects on the liver when used with hepatotoxic drugs (568,569,570,571,3497,11121,11122).
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Theoretically, goldenseal might increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
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Theoretically, goldenseal might increase the risk of hypoglycemia when used with antidiabetes drugs.
Details
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Theoretically, goldenseal might increase the risk of hypotension when taken with antihypertensive drugs.
Details
Goldenseal contains berberine. Animal research shows that berberine can have hypotensive effects (33692,34308). Also, an analysis of clinical research shows that taking berberine in combination with amlodipine can lower systolic and diastolic blood pressure when compared with amlodipine alone (91956). However, this effect has not been reported with goldenseal.
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Theoretically, goldenseal might increase the sedative effects of CNS depressants.
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Theoretically, goldenseal might increase serum levels of drugs metabolized by CYP2C9.
Details
In vitro research shows that goldenseal root extract can modestly inhibit CYP2C9. This effect may be due to its alkaloid constituents, hydrastine and berberine (21117). However, this effect has not been reported in humans.
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Goldenseal might increase serum levels of drugs metabolized by CYP2D6.
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Theoretically, goldenseal might increase serum levels of drugs metabolized by CYP2E1.
Details
In vitro research shows that goldenseal root extract can inhibit the activity of CYP2E1 (94140). However, this effect has not been reported in humans.
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Goldenseal might increase serum levels of drugs metabolized by CYP3A4.
Details
Most clinical and in vitro research shows that goldenseal inhibits CYP3A4 enzyme activity and increases serum levels of CYP3A4 substrates, such as midazolam (6450,13536,21117,91740,111725). However, in one small clinical study, goldenseal did not affect the levels of indinavir, a CYP3A4 substrate, in healthy volunteers (10690,93578). This is likely due to the fact that indinavir has a high oral bioavailability, making it an inadequate probe for CYP3A4 interactions (13536,91740) and/or that it is primarily metabolized by hepatic CYP3A, while goldenseal has more potential to inhibit intestinal CYP3A enzyme activity (111725). Both goldenseal extract and its isolated constituents berberine and hydrastine inhibit CYP3A, with hydrastine possibly having more inhibitory potential than berberine (111725).
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Theoretically, goldenseal might increase serum levels of dextromethorphan.
Details
Goldenseal contains berberine. A small clinical study shows that berberine can inhibit cytochrome P450 2D6 (CYP2D6) activity and reduce the metabolism of dextromethorphan (34279).
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Goldenseal might increase serum levels of digoxin, although this effect is unlikely to be clinically significant.
Details
Clinical research shows that goldenseal modestly increases digoxin peak levels by about 14% in healthy volunteers. However, goldenseal does not seem to affect other pharmacokinetic parameters such as area under the curve (AUC) (15132). This suggests that goldenseal does not cause a clinically significant interaction with digoxin. Digoxin is a P-glycoprotein substrate. Some evidence suggests that goldenseal constituents might affect P-glycoprotein; however, it is unclear whether these constituents inhibit or induce P-glycoprotein.
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Theoretically, goldenseal might decrease the conversion of losartan to its active form.
Details
Goldenseal contains berberine. A small clinical study shows that berberine inhibits cytochrome P450 2C9 (CYP2C9) activity and reduces the metabolism of losartan (34279). However, this effect has not been reported with goldenseal.
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Theoretically, goldenseal might reduce blood levels of metformin.
Details
In vitro research shows that goldenseal extract decreases the bioavailability of metformin, likely by interfering with transport, intestinal permeability, or other processes involved in metformin absorption. It is unclear which, if any, of metformin's transporters are inhibited by goldenseal. Goldenseal does not appear to alter the clearance or half-life of metformin (105764).
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Theoretically, goldenseal might reduce the therapeutic effects of oseltamivir by decreasing its conversion to its active form.
Details
In vitro evidence suggests that goldenseal reduces the formation of the active compound from the prodrug oseltamivir (105765). The mechanism of action and clinical relevance is unclear.
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Theoretically, goldenseal might increase or decrease serum levels of P-glycoprotein (P-gp) substrates.
Details
There is conflicting evidence about the effect of goldenseal on P-gp. In vitro research suggests that berberine, a constituent of goldenseal, modestly inhibits P-gp efflux. Other evidence suggests that berberine induces P-gp. In healthy volunteers, goldenseal modestly increases peak levels of the P-gp substrate digoxin by about 14%. However, it does not seem to affect other pharmacokinetic parameters such as area under the curve (AUC) (15132). This suggests that goldenseal is not a potent inhibitor of P-gp-mediated drug efflux. Until more is known, goldenseal should be used cautiously with P-gp substrates.
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Theoretically, goldenseal might increase the sedative effects of pentobarbital.
Details
Animal research shows that berberine, a constituent of goldenseal, can prolong pentobarbital-induced sleeping time (13519). However, this effect has not been reported with goldenseal.
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Theoretically, goldenseal might increase serum levels of tacrolimus.
Details
Goldenseal contains berberine. In a 16-year-old patient with idiopathic nephrotic syndrome who was being treated with tacrolimus 6.5 mg twice daily, intake of berberine 200 mg three times daily increased the blood concentration of tacrolimus from 8 to 22 ng/mL. Following a reduction of tacrolimus dosing to 3 mg daily, blood levels of tacrolimus decreased to 12 ng/mL (91954).
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Theoretically, myrrh might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Details
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Theoretically, myrrh might decrease the effectiveness of warfarin.
Details
In one case, a patient who was previously stable on warfarin had a significant decline in international normalized ratio (INR) following consumption of an aqueous extract of myrrh (14425).
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Theoretically, oregano might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Details
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Theoretically, oregano might increase the risk for hypoglycemia when taken with antidiabetes drugs.
Details
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Theoretically, pau d'arco might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Details
In vitro research shows that pau d'arco reduces platelet aggregation and may interfere with vitamin K (18057,68319). One clinical study shows that taking the lapachol constituent of pau d'arco in doses above 1.5 grams daily increases the risk of bleeding (91939). The effects of whole pau d'arco or pau d'arco extract in humans are unclear.
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Below is general information about the adverse effects of the known ingredients contained in the product Yeast X Organic Anti-Yeast Supplement. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
General
...Chaparral is generally regarded as unsafe for use.
Any benefits of therapy may not outweigh the risk of toxicity. Orally, chaparral can cause hepatoxicity, resulting in jaundice, fatigue, right upper quadrant abdominal pain, dark urine, light stools, nausea, diarrhea, weight loss, fever, and anorexia (568,569,570,571,3497,11121,11122). It can also cause cirrhosis, cholestasis, cholangitis, acute hepatitis, and liver failure possibly necessitating liver transplant (3497). Consumption of chaparral tea has been associated with cystic renal disease and cystic adenocarcinoma of the kidney (11129). Although some information suggests that low doses of chaparral can be used safely, a safe dose has not been established (10417).
Topically, chaparral can cause contact dermatitis (11128).
Hepatic
...Orally, chaparral can cause hepatoxicity, resulting in jaundice, fatigue, right upper quadrant abdominal pain, dark urine, light stools, nausea, diarrhea, weight loss, fever, and anorexia.
It can also cause cirrhosis, cholestasis, cholangitis, acute hepatitis, and liver failure (3497) Multiple cases of severe hepatotoxicity have been reported, including at least two cases requiring liver transplant (568,569,570,571,3497,11121,11122,41416,41445,41464).
The nordihydroguaiaretic acid (NDGA) constituent of chaparral is thought to be responsible for its hepatotoxic effect; however, the exact mechanism of toxicity is unknown (11125). Although some information suggests that low doses of chaparral can be used safely, a safe dose has not been established (10417).
Immunologic ...Topically, chaparral can cause contact dermatitis (10417,11128,41434).
Renal ...Orally, chaparral can cause kidney failure (3497). Consumption of chaparral tea has been associated with cystic renal disease and cystic adenocarcinoma of the kidney. In one case report, consumption of 3-4 cups of chaparral tea daily was associated with these symptoms (11129).
General
...There is limited reliable information available about the safety of goldenseal when used in more than a single dose.
Berberine, a constituent of goldenseal, is generally well tolerated when used orally.
Most Common Adverse Effects:
Orally: Berberine, a constituent of goldenseal, can cause abdominal distension, abdominal pain, bitter taste, constipation, diarrhea, flatulence, headache, nausea, and vomiting.
Dermatologic ...Orally, berberine, a constituent of goldenseal, may cause rash. However, this appears to be rare (34285). A case of photosensitivity characterized by pruritic, erythematous rash on sun-exposed skin has been reported in a 32-year-old female taking a combination product containing goldenseal, ginseng, bee pollen, and other ingredients. The rash resolved following discontinuation of the supplement and treatment with corticosteroids (33954). It is not clear if this adverse effect is due to goldenseal, other ingredients, or the combination.
Endocrine ...A case of severe, reversible hypernatremia has been reported in an 11-year-old female with new-onset type 1 diabetes and diabetic ketoacidosis who took a goldenseal supplement (52592).
Gastrointestinal ...Orally, berberine, a constituent of goldenseal, may cause diarrhea, constipation, flatulence, vomiting, abdominal pain, abdominal distention, and bitter taste (33648,33689,34245,34247,34285,91953). Theoretically, these effects may occur in patients taking goldenseal. However, this hasn't been reported in clinical research or case reports.
Neurologic/CNS ...Orally, berberine, a constituent of goldenseal, may cause headache when taken in a dose of 5 mg/kg daily (33648). Theoretically, this may occur with goldenseal, but this hasn't been reported in clinical research or case reports.
General
...Orally, myrrh seems to be well tolerated.
Serious Adverse Effects (Rare):
Orally: Kidney impairment and heart rate changes at high doses.
Cardiovascular ...Orally, myrrh taken at doses of 2-4 grams may cause heart rate changes in some patients (12,19).
Dermatologic ...Topically, myrrh has been reported to cause dermatitis (6).
Gastrointestinal ...Orally, myrrh may cause diarrhea in some patients when taken at doses of 2-4 grams (12,19).
Genitourinary ...Severe lower abdominal pain has been reported in a pregnant woman drinking myrrh resin dissolved in 500 mL of water twice daily as prescribed by a traditional practitioner. This adverse effect resolved one day after discontinuing myrrh. The investigators suggest that this acute abdominal pain was related to myrrh's activity as a uterine stimulant (93645).
Immunologic ...Orally, myrrh has been reported to cause severe allergic skin reactions, with redness, swelling, and itching, in two case reports of individuals using oral traditional Chinese medicines containing myrrh (101114).
Renal ...Orally, myrrh may cause kidney impairment in some patients when taken at doses of 2-4 grams (12,19).
General
...Orally, oregano is well tolerated when used in amounts typically found in foods.
There is currently a limited amount of information available about the safety of oregano when used in larger amounts as medicine.
Most Common Adverse Effects:
Orally: Gastrointestinal upset.
Topically: Dermatitis in sensitive individuals.
Serious Adverse Effects (Rare):
Orally: Systemic allergic reactions, including anaphylaxis, in sensitive individuals.
Dermatologic ...Oregano has been reported to cause allergic contact dermatitis (46902). Topically, oregano oil in concentrations of greater than 1% has been reported to cause irritation when applied to mucous membranes (67348,88188).
Gastrointestinal ...Orally, large amounts of oregano can cause gastrointestinal upset. Concentrated, non-emulsified oil of oregano can cause localized irritation of the gastrointestinal tract (6878).
Immunologic ...Systemic allergic reactions have been reported with oregano. A 45-year-old male developed pruritus, respiratory difficulty, hypotension, swelling of the lips and tongue, and facial edema after ingesting pizza seasoned with oregano. He had 2 similar episodes after ingesting foods seasoned with thyme, another member of the Lamiaceae family. He did not react to similar foods without the seasoning, and he had positive skin tests to plants of the Lamiaceae family (3705).
General ...A thorough evaluation of safety outcomes with pau d'arco has not been conducted. However, taking the lapachol constituent of pau d'arco in doses above 1.5 grams daily is regarded as unsafe.
Gastrointestinal ...Orally, the lapachol constituent of pau d'arco, taken in doses above 1. 5 grams daily, may cause severe nausea, vomiting, and diarrhea (91939).
Hematologic ...Orally, the lapachol constituent of pau d'arco, taken in doses above 1. 5 grams daily, may cause anemia and increased risk of bleeding (91939).
Immunologic ...Occupational exposure to sawdust from the pau d'arco tree and related species may cause asthma and dermatitis. The fresh sawdust can produce erythema and papules which progress to a severe weeping and crusting dermatitis (92184).
Neurologic/CNS ...Orally, the lapachol constituent of pau d'arco, taken in doses above 1. 5 grams daily, may cause dizziness (91939).