The main active ingredient contained in this product is maca-Peru’s natural viagra. Maca is a root that grows in the high mountains of Peru. Rich in nutritional content (potassium, and higher levels of calcium than in milk), it is natural hormonal balancer which provides great health benefits for both men and women. In Peru, maca is a food. Peruvian maca root has been dubbed "Peruvian ginseng," even through it bears no relation to ginseng. But like ginseng, the maca plant is employed into a Peruvian maca extract to increase strength, energy, stamina, libido and sexual function, a winning combination of health benefits if there ever was one. Maca acts as a hormonal regulator that will bring your body to its proper balance. As a result, it will alleviate monopausal and painful menstrual symptoms. What’s more, it will increase your energy, reduce your stress, and even help you overcome depression. Mechanism of Action: Power Man Viga has effective effects on strengthen men’s libido, on keeping strong erection and stamina, on alleviating pressure, and on anti-fatigue. Meanwhile, it can provide natural nutrition to kidneys and power them while has no side effect. Ingredients: maca, cellulose, eatable clay, starch, and so on. Suggested Use: Take 1 capsule daily after meal. It can be taken 1 capsule, 1 hour before sport, for preventive purpose or for therapeutic ones. Storage: Keep in a cool and dry place and out of reach of children. Specification: 30 capsule/ bottle