Vitroman Cistanches is made of Chinese traditional medicine – Cistanches, Horny Goat Weed, Oyster extract, and Peruvian Maca. It helps to reinforce the vital function of kidney, especially the sexual organs. Cistanches is one of the more popular and potent Yang tonic herbs known to treat erecetile dyfunction. It is widely reported that men who took Cistanches experience notible increases in their sexual prowess. In addition, the herb is also used in treatment of soreness and pain of lumbar and knees. Effects: Tonify the kidneys. Prevent premature ejaculation. Enhance blood circulation, vitality, and stamina. Strengthen sexual function. Ingredients: Maca 175mg, Oyster extract 75mg, Horny Goat Weed 50mg, Cistanches 50mg, Cynomorii 50mg, L-Arginine 50mg, Indian Ginseng 25mg, Zinc Gluconate 25mg Packing: 500mg x 80 Capsules