It is made from roots of Polygonum multiflorum Thunb and is used to replenish the vital essence of the liver and kidney. It helps to reduce early greying of hair, aching back and knees, amenorrhea, fatigue, eye disorder cause by surgery, cough, dysmenorrhea, menstrual disorder, neurasthenia and hypercholesteremia. Tonifies blood, warms and invigorates blood, nourishes liver and kidneys, benefits eyes and tendons. A liquid concentratae useful as a strong liver tonic for men and women. Use for depletion due to sexual excess, childbirth, or illness. Strengthens bones and tendons in back and joint aching. Suitable for long periods of time.