Tang Kuei & Peony is a traditional Chinese herbal formula used to help regulate menstrual cycles, relieve menstrual cramps and discomfort, and improve overall menstrual health. This formula is made from a combination of herbs including tang kuei (angelica) and peony root, which are known for their abilities to support the female reproductive system and help balance hormones. This supplement is commonly recommended by practitioners of traditional Chinese medicine to help ease symptoms associated with menstrual disorders such as irregular periods and PMS.