Tongkat Ali (Latin name Eurycoma Longifolia Jack, Japanese Name ナガエカサ/ Nagaekasa ) is a small tree found in the jungles throughout Malaysia and Southeast Asia. Natives consider every part of the Eurycoma Longifolia tree as miracle herbs and often used its root to make soup as health drinks. It has been used in Malaysia for many years by men to increase sexual desire, libido, and sexual performance and to treat erectile dysfunction. Tongkat Ali can increase levels of the hormone testosterone. Testosterone is primarily responsible for the growth and development of male reproductive organs, including the penis, testicles, scrotum, prostate and seminal vesicles. To maintain the testosterone normal levels can improve energy, mood, fertility and sexual desire. Because of its testosterone-enhancing properties, Tongkat Ali is also used by bodybuilders to increase muscle mass and strength. Tongkat Ali is referred as a miracle herb and widespread in Malaysia and Southeast Asia and now also wide-recognized by many countries because of its excellent effects.
Tongkat Ali is a small evergreen tree growing to 15m tall. It is spirally arranged, pinnate leaf 20-40 cm long with 13-41 leaflets. The flowers contain either male or female flowers on different trees never both; they are shaped in large panicles, each flower with 5-6 very small petals. The fruit is green ripening dark red, 1-2 cm long and 0.5-1 cm broad.
Unlike most trees, which have a horizontal root system, the root of a Tongkat Ali tree can grow up to 700 meters on sandy soil as under storey tree lets. This tough fiberous root penetrates deep into the earth to obtain its nutrients. The Tongkat Ali root takes at least five years to mature.