Is It Safe To Take Black Cohash With Estrogen Positive Cancer?

Question from jgregor147:Is it safe to take black cohash with estrogen positive cancer? Also, what is out there to help lost libido in the estrogen positive cancer women? Thank you.

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Response from Nagi Kumar, Ph.D., R.D., H. Lee Moffitt Cancer Center & Research:Black Cohosh has been found to have both estrogenic/anti-estrogenic effects, This has been evaluated in laboratory studies, specifically looking at the effectiveness of this botanical supplement in women treated for estrogen-dependant breast cancer. The results indicated that it stimulated tumor growth and thus may not be safe for women with estrogen-dependent breast cancer. Due to its observed estrogenic effects, BC is also not recommended during pregnancy, lactation of for children.

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In other clinical trials to examine the value of Black Cohosh to reduce menopausal symptoms – it was not found to be more efficacious than placebo against most menopausal symptoms.