| Ingredients | Not Present |
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(Eupatorium purpureum )
(root)
(Certified organic, Extraction rate: Dry herb/menstruum ratio: about 1/3-4. We use up to 333 mg of raw material to produce 1 ml of extract.)
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Ethyl Alcohol, Water, Glycerin
Below is general information about the effectiveness of the known ingredients contained in the product Gravel Root. 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 gravel root.
Below is general information about the safety of the known ingredients contained in the product Gravel Root. 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 products containing hepatotoxic pyrrolizidine alkaloid (PA) constituents are used orally. Repeated exposure to low concentrations of hepatotoxic PAs can cause severe veno-occlusive disease. Hepatotoxic PAs might also be carcinogenic and mutagenic (12841,12842). Tell patients not to use gravel root preparations that are not certified and labeled as hepatotoxic PA-free. ...when products containing hepatotoxic PAs are used topically on abraded or broken skin. Absorption of hepatotoxic PAs through broken skin can lead to systemic toxicities (12841). Tell patients not to use topical gravel root preparations that are not certified and labeled as hepatotoxic PA-free. There is insufficient reliable information available about the safety of using PA-free gravel root orally or topically.
PREGNANCY: LIKELY UNSAFE
when used orally.
Gravel root preparations containing hepatotoxic pyrrolizidine alkaloid (PA) constituents might be teratogenic and hepatotoxic (12841,12842). There is insufficient reliable information available about the safety of using gravel root products that do not contain hepatotoxic PAs during pregnancy.
LACTATION: LIKELY UNSAFE
when used orally.
Hepatotoxic pyrrolizidine alkaloid (PA) constituents in gravel root are excreted in milk (12841,12842). There is insufficient reliable information available about the safety of using gravel root products that do not contain hepatotoxic PAs during lactation.
Below is general information about the interactions of the known ingredients contained in the product Gravel Root. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
Hepatotoxic pyrrolizidine alkaloids (PA) are substrates of cytochrome P450 3A4 (CYP3A4) (12841,12860). Theoretically, drugs that induce CYP3A4 might increase the conversion of PAs to toxic metabolites. Some drugs that induce CYP3A4 include carbamazepine (Tegretol), phenobarbital, phenytoin (Dilantin), rifampin, rifabutin (Mycobutin), and others.
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Gravel root is thought to have diuretic properties. Theoretically, due to these potential diuretic effects, gravel root might reduce excretion and increase levels of lithium. The dose of lithium might need to be decreased.
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Below is general information about the adverse effects of the known ingredients contained in the product Gravel Root. 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
...Orally, the major concern with gravel root use is its pyrrolizidine alkaloid (PA) content.
These constituents can cause liver and lung injury (12841,12842). Chronic exposure to other plants containing hepatotoxic PA constituents has been associated with veno-occlusive disease (4021). Sub-acute veno-occlusive disease can cause vague symptoms, including colicky pains, vomiting, diarrhea, and ascites within several days; persistent liver enlargement occurs within a few weeks (4021,12842).
Topically, PA can be absorbed through the skin in quantities sufficient to cause systemic toxicity when applied to broken skin or in large quantities (11990).
Gravel root products containing PAs should be avoided. There is currently a limited amount of information available about the adverse effects of PA-free gravel root.
Hepatic ...Orally, gravel root might cause liver damage. The major concern with gravel root use is its hepatotoxic pyrrolizidine alkaloid (PA) content (12841,12842). Chronic exposure to other plants containing hepatotoxic PA constituents is associated with veno-occlusive disease (4021). Sub-acute veno-occlusive disease can cause vague symptoms, including colicky pains, vomiting, diarrhea, and ascites within several days; persistent liver enlargement occurs within a few weeks (4021,12842).
Pulmonary/Respiratory ...Orally, gravel root might cause lung damage. The major concern with gravel root use is its pyrrolizidine alkaloid (PA) content. These constituents can cause lung damage with pulmonary-arterial hypertension (12841,12842).
