Details: usa maca strong man male sexual stimulant • it can stimulate the brain nerve excitement centre to reach an excited state. • this product has the function of nourishing the kidney, renewing semen, benefiting marrow, • and improving impotence and premature ejaculation. it can enlarge the size of penis. • expand the smooth muscle and hence to increase hardness, strength, lastingness, and excitement. • this product is drawn from pure and natural compositions