Tongkat Ali, scientifically known as Eurycoma longifolia Jack, is a herbal plant native to Southeast Asia,Eurycoma longifolia Jack . Traditionally valued in herbal medicine, it has been used for various purposes, including supporting vitality and overall wellness. The plant contains active compounds such as eurycomaoside and quassinoids, which contribute to its potential health benefits. It is also widely studied for its possible role in supporting healthy testosterone levels.