If you're looking for a way to reignite the passion in the bedroom, Swanson Superior Herbs Muira Puama is an age-old way to boost libido and sexual function in both men and women. Grown in the jungles of Brazil, muira puama bark is an ancient herbal tonic that has been used by indigenous Brazilian tribes for centuries as an herbal tonic for supporting sexual health. Our convenient capsules feature a potent 10:1 muira puama extract to ensure optimum concentrations of stimulating herbal support.