It is a popular and well-known pill that is useful in toning and strengthening the physique. It is also particularly helpful to the kidneys and the locomotor system. Tonifies kidney and spleen qi, kidney yang, and nourishes blood and yin. Excellent rehabilitive tonic following illness, surgery or childbirth. Useful in symptoms of poor appetite, anemia, weak legs and back, mental restlessness, insomnia, spermatorrhea, heart palpitations, lumbago and sciatica, poor memory, and excessive ejaculation. Source: Sheng Ji Zhong Lu, (The Complete Record of Holy Benevolence), 1117 A.D. the Imperial Medical Institute. Function: Supplement qi, strengthen yang, nourish blood; promote congenital jing Application: Use to relieve def. yin and def. yang. Symptoms: Fatigue, weariness, shortness of breath, poor hearing, tinnitus, leg weakness, palpitations, insomnia. Use as general tonic for patients with weakness associated with long illness. Use to strengthen the kidney yang. Symptoms also include: Feelings of cold in the limbs, impotent, spermatorrhea, frequent urination. Use to relieve gynecological disorders due to def. qi and def. blood, including amenorrhea, hypomenorrhea, hypermenorrhea, leukorrhea. Applications also use to relieve the following: neurasthenia, anemia, and diabetes mellitus.