Peony root is a famous and highly prized blood tonic used to relax muscle and cleanse the blood. It is one of the most highly prized women's herbs used traditionally to help regulate the female hormonal cycle and to tonify and purify the blood. It is also used as a pain reducing agent and as an emotional stabilizer by women. It is said to relieve cramps and spasms anywhere in the body. In particular, it is considered to be highly effective in relieving menstrual cramps. Peony root is also believed to extend life and to promote beauty.