It contains Maca which enhances a healthy erection. Maca is also called Peruvian ginseng. Ginseng extract and caffeine improve sexual stamina and energize performance. Ginseng and Caffeine are stimulating and energizing. Clinically tested vitamins and minerals such as vitamin E + Zinc and selenium respectively shown to be beneficial to reproductive health. Zinc, Vitamin E and Selenium contribute to proper sperm production.