Dietary supplement. 100% Natural. Made under Supervision by China Academy of Traditional Chinese Medicine. This time-honored formula is made of extracts from prepared rehmannia root, fried common yam, Chinese angelica root, cinnamon bark, prepared aconite, lindera root, wolfberry fruit, prepared Chinese dodder seed, eucommia bark in ginger, fried antler glue, Asiatic cornus fruit, alpinia fruit, mantis egg case and Chinese leek seed. Chinese medicine uses it to strengthen the urinary muscles and enhance urine withholding power. (This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.)