One of the most popular supplements for females is Black Cohosh. Black Cohosh is a member of the buttercup family and was originally used by Native Americans. Black Cohosh is now commonly sold as a dietary supplement with the claim of increase estrogen production/action. As a result Black Cohosh is popular among women under undergoing menopause.
However, a recent study from the Annals of Internal Medicine showed quite the opposite result. 351 women ages 45-55 who had reported getting hot flashes at least twice a day were given 1 of 5 treatments. The treatments ranged from 160mg of Black Cohosh to multi-herbal mixtures containing 200mg of Black Cohosh to Estrogen replacement therapy, to nothing (placebo).
After 1 year none of the herbal treatment groups had any reduction in symptoms while the estrogen replacement therapy group did.
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