Herbs
Black cohosh
Also called: cimicifuga, actaea racemosa
A North American root.
- Why people take it
- Menopause hot flushes.
- What the evidence says
- Studies are mixed.
- How it is usually taken
- Usually 20 to 40 mg of extract twice a day for up to 6 months.
- Be careful
- Rare liver damage reported; stop if you have tummy pain or yellow skin.
- Medicines it can interact with
- Rare liver injury; avoid with liver disease and liver-affecting medicines.
Other herbs
Common questions
What is Black cohosh?
A North American root.
Why do people take Black cohosh?
Menopause hot flushes.
Does Black cohosh work?
Studies are mixed.
How much Black cohosh do people take?
Usually 20 to 40 mg of extract twice a day for up to 6 months.
Is Black cohosh safe?
Rare liver damage reported; stop if you have tummy pain or yellow skin.
Does Black cohosh interact with medicines?
Rare liver injury; avoid with liver disease and liver-affecting medicines.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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