(Actaea racemosa)
Black cohosh is a herb of the buttercup family, also known as bugbane, rattleweed, and black snakeroot. It is native to Eastern North America. Native Americans began using it centuries ago for the treatment of menstrual irregularities, menopause symptoms, and to ease childbirth
Uses: Relieves menstrual cramps and arthritic pain; commonly used to ease menopausal symptoms.

Preparation and doses:
Tincture: Take 1–2 ml 3 times per day.
Standardized extract: Take 20–80 mg 2 times per day.
Concerns: Very rare case reports of liver damage (likely due to misidentified herb); purchase only from reputable supplier.