Pasak bumi (Eurycoma longifolia) from Borneo is famous as a medicinal plant for male vitality. Not only in Kalimantan but tongkat ali-also known by various names-grow on the island of Sumatra. However, pasak bumi from Borneo Island is most effective because it grows on peatlands. Plants with several compounds such as eurikomalactone, amarolides, alkaloids, as well as stigmasterol can treat fever, diarrhea, as well as lumbago.