* Premier Female Tonifier * Herbal Supplement * Approved by Michael Tierra L.Ac, O.M.D Dong quai is one of the most relied upon herbs worldwide to support a healthy female cycle. Used to build blood and promote pelvic circulation, it has remained one of the premier tonifiers of Chinese herbalism for more than 1000 years. Planetary Herbals Full Spectrum Dong Quai is prepared from the entire root - not just parts of the root - for balanced activity.