Also known as black snakeroot, it acts as an anti-inflammatory and anti-spasmodic medicine. It also is an estrogen-like botanical. It treats menstrual symptoms and rheumatoid arthritis. It should not be used during pregnancy or lactation with the exception of the later stages of pregnancy to prepare the body for parturition.
Black cohosh
Black cohosh is known to help reduce bodily cramping associated with the menstrual cycle as well rheumatoid arthritis.