Muira Puama is one of the most active botanicals with a long history of traditional use as an energy tonic, general health improver and remedy for impotence & sexual insufficiency. It is known in some circles as "the Viagra of the Amazon" and in fact, many people now consider it the new Yohimbe but with considerably less possible side effects.Studies showed a significant improvement in both erectile function and sexual desire. The Amazon natives have known this for centuries, as this herb has been widely used as an aphrodisiac by both men and women, and is commonly known as "potent wood".The short term effects of Muira Puama include increasing blood flow to the pelvic area, aiding erections in men as well as sensation and orgasm in women. Longer term use enhances the production of sex hormones in both sexes. It has no noted side effects though, as with many sexual stimulants, it can slightly raise blood pressure.Muira Puama has also been used for stress management, nervous system stimulation and for general overall health. Two French studies showed that muira Puama seemed to improve libido and sexual function. Scientists also believe that this herb increases testosterone levels, though this has not yet been clinically proven.