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herbal

Black Cohosh

Also known as: Cimicifuga racemosa, Actaea racemosa, Remifemin

A herbal preparation from the root of the North American black cohosh plant. One of the most widely used herbal remedies for menopausal hot flushes and night sweats. Evidence is mixed; some trials show modest benefit for vasomotor symptoms. Not recommended alongside HRT.

This page contains self-reported experiences from the Narrated community — not clinical data. Outcomes are subjective. Always consult your doctor or specialist before starting, stopping, or changing any approach.

Regulatory status does not mean an approach is safe or unsafe. Laws vary by country — check your local regulations.

Community Experiences

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Research Context

Research context compiled from published sources

How does Black Cohosh work?

The exact mechanism is not fully understood. Earlier theories of oestrogenic activity have largely been replaced by evidence suggesting actions on serotonergic pathways and central dopaminergic activity, which may explain effects on hot flushes. Does not appear to stimulate oestrogen receptors.

Research Depth

Unknown

Long-Term Evidence

Limited

Only short-term data available. Long-term effects are not well understood.

Known Interactions
Hepatotoxic drugs (additive liver risk)HRT (avoid combining)Tamoxifen (theoretical interaction)
Reported Contraindicated Populations
Liver disease or elevated liver enzymesHistory of hormone-sensitive cancers (caution)PregnancyWomen on tamoxifen
Published Dose Ranges
2040 mg dry extract/dayoral · once or twice daily
MHRA/product labels

Dose ranges from published research. Individual dosing should be determined with your healthcare provider based on your specific circumstances.

Factual research context from published sources — not a safety assessment or recommendation. Research classifications may change as new data emerges.

Related Approaches

Other approaches tracked on Narrated.

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