Natures Way Maca, dried root extract. Maca is a hearty root that grow at extreme elevations high in the Andean Mountains of Peru. Native Peruvian's have consumed maca for centuries for its energy and stamina effects. Today maca is also gaining favour for its hormonal balancing, sexual function and fertility enhancing properties, in both men and women. Touted as an alternative to harmful stimulants, hormone therapy and Viagra, unlike many other phytoestrogenic herbs, maca works on the endocrine system to tone, nourish and facilitate balance and effectiveness within the glands that control reproductive function and stress, including the adrenals, hypothalamus, pituitary, ovaries and testes.