Dong Quai is a 100% safe, natural and powerful Chinese tonic herb used as a nourishing blood tonic, and helps to support healthy menstrual cycles. Dong Quai has been used for centuries by Asian healers to promote balance of female hormones and emotional health during menopause and perimenopause. More recently, clinical research has confirmed the effectiveness of this tonic herb. The formula remains true to the full spectrum method of herbal extraction, ensuring the bioavailability and balance of all the active ingredients contained in the remedy. This manufacturing method reduces the likelihood of side effects and ensures that all active ingredients are in perfect balance.