Maca-Muira is a blend of Red Maca and Muira Puama. Red maca has been associated with maintaining a healthy prostate. A seminal study done on the red phenotype of maca was published in the “Journal Reproductive Biology and Endocrinology. Red maca isa also good for bone strength, bone density, energy, mood, depression, skin health and immune system booster. Muira Puama tree has a plethora of uses among the indigenous peoples of the Amazon, including the following: adaptogen, alopecia (applied topically for hair loss), anorexia, antinociceptive, antioxidant, aphrodisiac, ataxia, beri beri (vitamin deficiency disease), debility, digestive problems, dysentery, fatigue, impotence, neurasthenia, nerve tonic, rheumatism, stimulant, tonic (adding bark decoction to a bath), paralysis, and tremors. The promotion of muira puama as a male sexual stimulant or as a treatment for erectile dysfunction can be traced back to the 1930s in Europe, but its popularity has increased with the success of Viagra (sildenafil) and the promotion of herbal sildenafil preparations.