Muira Puama is also known as potency wood. It is a plant native to Amazon rainforest. For centuries the natives in Amazon area have used this plant as an aphrodisiac. They are used for a variety of ailments by indigenous peoples in South America. It has long history of traditional use as an energy tonic, general health improver and remedy for impotence & sexual insufficiency. It contains long-chain fatty acids, plant sterols, coumarin, lupeol, and the alkaloid muirapuamine.