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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before using herbs, especially if you are pregnant, nursing, taking medications, or have a medical condition.
Actaea simplex
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Actaea simplex contains triterpene glycosides (including actein) and flavonoids that may modulate serotonin receptors and exert weak phytoestrogenic effects, though the precise mechanism remains unclear. Unlike hormone replacement therapy, it does not appear to significantly alter circulating estrogen levels. The anti-inflammatory compounds may also contribute to symptom relief through prostaglandin modulation. Evidence level C indicates these mechanisms are proposed based on limited clinical data and traditional use rather than definitive research.
Actaea simplex may interact with hormone-sensitive medications including birth control pills, hormone replacement therapy, and tamoxifen due to potential phytoestrogenic activity. It may potentiate hepatotoxic drugs, as rare cases of liver toxicity have been associated with Actaea species. The herb may also affect anticoagulant metabolism. Patients taking prescription medications should consult a healthcare provider before use. Evidence level C reflects limited systematic interaction data.
The standard adult dosage for Actaea simplex is 40-80mg of extract taken twice daily, preferably standardized to triterpene glycoside content. Traditional preparations use 40-200mg of dried root daily. Therapeutic effects typically require 4-8 weeks of consistent use. Start with lower doses to assess tolerance before increasing. Evidence level C indicates these recommendations derive primarily from traditional use and limited clinical observation rather than rigorous trials.
Actaea simplex is considered unsafe during pregnancy and breastfeeding. The herb contains compounds that may stimulate uterine contractions and potentially affect hormonal balance. Insufficient safety data exists for lactation use. Women with hormone-sensitive conditions, including breast cancer and endometriosis, should also avoid this herb. Evidence level C reflects the absence of systematic safety studies in pregnant populations.
Common side effects include gastrointestinal upset, nausea, headache, and dizziness. Rare but serious adverse effects include hepatotoxicity, particularly with prolonged use or in those with pre-existing liver conditions. Discontinue immediately if jaundice, dark urine, or right upper quadrant abdominal pain develops. Individuals with liver disease should avoid Actaea simplex entirely. Evidence level C reflects limited systematic safety data, with adverse events primarily from case reports.
PubMed-compiled information sheet
This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.
Compiled from 1 PubMed articles · model: gemma4:31b
No direct government monograph is available for this herb. The content below is AI-generated and has not been verified against an authoritative government source. Use the search links to check official sources before relying on this information.