It has the advanges of less adverse effect, quicker effecting and long duration of its potency. It is able to activate the growth factor of adrenal PDA dilute and replenish semen, thus bringing multiple injection sand multiple climaxes; it can also generate and replenish semen quickly after the intercourse. Thus avoiding fatigue and damage to kidney resulted from lack of semen; its potency lasts as long as 120hours. Main raw materials: the substance refined from Kidneys of sheep, ox and deer, chinese yam, chinese date.fruit of chinese wolfberry, fruit of alpine oxyphlla Packing: 8capsules/ box Orientation crowd: premature ejaculation, lose the sperm, weak sperm Use method: take it orally. 1-2capsules every time Storage: keep in a cool, and dry place.