Black Cohosh
herbs
Black cohosh is a traditional herbal supplement derived from the root of Cimicifuga racemosa, native to North America. It has been used for centuries to support women's health, particularly during menopause and hormonal transitions. Evidence for its efficacy is mixed, with some studies showing modest benefits for hot flushes.
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Benefits
Dosage
Typical Dose
20-40 mg isoflavones daily
Upper Limit
80 mg daily in divided doses
Timing
Consistent daily use; effects may take 4-8 weeks
Forms & Bioavailability
Root extract (standardised)
High
Capsules/tablets
High
Tincture
High
Dried root powder
Moderate
Side Effects
Interactions
Research Summary
Multiple clinical trials show modest efficacy for menopausal symptoms, though results are inconsistent across studies. The American College of Obstetricians and Gynaecologists suggests black cohosh may be considered for short-term management of hot flushes. Long-term safety data remains limited, and regulatory status varies internationally; the UK's MHRA permits its sale as a traditional herbal remedy.
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The Bottom Line on Black Cohosh
Black Cohosh is moderately researched with promising but sometimes mixed evidence.It is most commonly used for may reduce frequency and severity of menopausal hot flushes and supports hormonal balance during menopause. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for Black Cohosh
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