Learn more about Muira Puama uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Muira Puama Muira Puama Dosage. As demonstrated by the studies the effective Muira Puama Dosage is 1,000mg to 1,500mg of a 4:1 concentrated extract or 4,000 to 6,000mg of the herb in its natural form for you to get harder more sustainable erections during sexual intercourse. Muira Puama has been shown to increase sexual function in men through several studies and hundreds of years of use. Traditional Suggested Dosage While Muira puama has been shown to be effective; when used in teas and capsules it has been shown most effective as a liquid extract. Most of the active constituents including essential oils. The common dosage used today is 1 to 1.5 grams of the bark, stem, and/or root. Muira puama is available as an extract or in powdered form in capsules. Potential Side Effects of Muira Puama. Muira puama appears to be relatively safe at the dosages expressed above. Insomnia and restlessness have been noted with high doses. Muira Puama Benefits. Like many medicinal plants discovered in the Amazon, muira puama is rich in biologically active compounds including plant sterols, essential oils, triterpenes, fatty acids and alkaloids. Plant sterols can gently influence hormonal balance, which may contribute to some of the effects of muira puama. Improves Sexual. Clinical evidence is lacking to support the effects of P. olacoides on sexual dysfunction.16, 17 An open-label, uncontrolled clinical study suggested improvement upon administration of muira pauma in men with a lack of sexual desire and the inability to attain or maintain an erection.18 A study conducted by the same researchers among women with. The recommended oral dose of muira puama appears to be 1000-1500mg of a 4:1 concentrated extract (equivalent to 4,000-6,000mg of the basic extract). It is unsure if this is the optimal dose or whether it needs to be taken with a meal. 100-300mg/kg appears to be the active range for anti-stress and anxiolytic effects in rats, which converts to an estimated human equivalent of.