Small-scale clinical trials performed in men have shown that maca extracts can heighten libido and improve semen quality, though no studies have been performed on men with sexual dysfunction or infertility. Maca does not affect sex hormone levels in humans, and has not been shown to act on hormones directly. It has been presumed that maca's hormone-normalizing effects may be due to the root's unique nutritional profile, which provides optimum levels of nutrients utilized by the body's endocrine system. Its main uses are as an aphrodisiac, fertility enhancer, increases sperm count/motility. to support erectile function. It is also often compared to Viagra®; however, it does not alter circulation. Its amazing libido booster is a result of completely natural hormonal balancing. Maca is a natural and healthy alternative to dramatically ease your symptoms during peri-menopause, menopause, and post-menopause.