National institute of health
Office of Dietary Supplement
Black cohosh is an herb
sold as a dietary
supplement in the United States.
Black cohosh is used for hot
flashes and other menopausal symptoms.
Although preliminary evidence
is encouraging, the currently available data
are not sufficient to support a recommendation on the use of black
cohosh for menopausal symptoms. The National
Center for Complementary and Alternative Medicine (NCCAM) at the
Institutes of Health is funding a rigorous
study to determine whether treatment with black cohosh reduces
the frequency and intensity of hot flashes, and other menopausal
In 2001, the American
College of Obstetricians and Gynecologists stated, primarily on
the basis of consensus
opinion, that black cohosh may be helpful in the short term (6
months or less) for women with vasomotor
symptoms of menopause .
Although few adverse
events have been reported, long-term safety
data are not available.
What is black cohosh?
Black cohosh (known as both Actaea racemosa and
Cimicifuga racemosa), a member