Treatments and supplements · Black cohosh

Does black cohosh actually help with hot flashes?

What we can tell you today: how thoroughly this has been studied.

Well studied

5 studies, including 2 that bring together the results of several trials in people.

5 Repeated evidence 2 studies

4 Large controlled trial 3 studies

This says how thoroughly something has been studied — not whether it works for you. What each study actually found is in the study itself, and in the plain-language write-ups we are adding.

Appears under: Menopause and hormones

The studies

5 Repeated evidence Black cohosh (Cimicifuga spp.) for menopausal symptoms.
2012 · The Cochrane database of systematic reviews · 468 participants
5 Repeated evidence Efficacy of Cimicifuga racemosa, Hypericum perforatum and Agnus castus in the treatment of climacteric complaints: a systematic review.
2013 · Gynecological endocrinology : the official journal of t
4 Large controlled trial Phase III double-blind, randomized, placebo-controlled crossover trial of black cohosh in the management of hot flashes: NCCTG Trial N01CC1.
2006 · Journal of clinical oncology : official journal of the · 132 participants
4 Large controlled trial Black cohosh and St. John's wort for climacteric complaints: a randomized trial.
2006 · Obstetrics and gynecology · 301 participants
4 Large controlled trial The effects of black cohosh therapies on lipids, fibrinogen, glucose and insulin.
2007 · Maturitas · 310 participants