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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 GP or specialist before starting, stopping, or changing any intervention.
Total Reports
2
Median Score (Wk 8)
5/10
Would Continue
0%
Avg Duration
12 wk
Most Common Goal
menopause
Most Reported Side Effect
Nausea (50%)
Based on self-reported community data. Scores use a 1–10 scale.
Regulatory status does not mean an intervention is safe or unsafe. Laws vary by country — check your local regulations.
Women who reported on Black Cohosh mentioned using it for the following goals. This does not mean it is intended for or achieves any of these outcomes.
2 reports from women who tried Black Cohosh
I tried black cohosh for three months after my GP suggested a non-hormonal approach. I didn't notice any meaningful improvement in my hot flashes or sleep. The nausea was a persistent minor issue. Eventually I started HRT and the difference was so dramatic that I wished I'd pushed for it sooner.
I tried black cohosh for twelve weeks on the recommendation of a health food shop. The hot flashes reduced slightly early on but the improvement plateaued and the headaches were a constant irritant. Ultimately I moved to HRT and the difference was night and day.
Research context compiled from published sources
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 Earlier theories of oestrogenic activity have largely been replaced by evidence suggesting actions on serotonergic pathways and central dopaminergic activity, which may explain effects on hot flushes.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.
Moderate Research
Some human clinical trials exist, but the evidence base is still developing.
Limited
Only short-term data available. Long-term effects are not well understood.
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.
Other Supplement tracked on Narrated.
Data last updated: March 19, 2026