Natural Factors MacaRich Super Strength Maca Concentrate - Grown high in the Andes Mountains, Maca has been used for centuries to increase energy and stamina, relieve stress, ease the symptoms of menopause and enhance libido and sexual function. Maca is also effective at strengthening immune functions, inhibiting free radicals and protecting cells from oxidative stress and promoting healthy blood sugar balance. Using whole tubers, the maca is gelatinized to create an extract stronger, easier to digest, and more bio-available than standard powdered root.