This is an ingredient that is widely  Viaxin used in many male enhancement pills as it is believed to have a powerful sexual effect on men. Also known as Eurycoma longifolia, this herb is believed to boost the level of testosterone by up to 93 percent, as shown in individual studies. The increase in the male hormone will result in a greater sex drive and increase in energy. It is also said that Tongkat ali lessens the chance of premature ejaculation, increases the perm count and will make men hard much longerMaca