Chinese medicine uses it to strength the kidney to increase erection and withholding power for man, and to increase sperm count. Usage: As a dietary supplement, take 3~5 capsules 3 times daily. Store in a cool and dry place out of the reach of children. Ingredients: This time-honored formula is made of extracts from prepared rehmannia root, fried common yam, wolfberry fruit , prepaired Chinese dodder seed, eucommia bark in ginger, fried antler glue, Asiatic cornus fruit, Chinese angelica root, cinnamon bark, prepared aconite, lindera root, alpinia fruit, mantis egg case and Chinese leek seed.