Tongkat ali, a medicinal herb with the scientific name, Eurycoma longifolia Jack, is really a popular herbal supplement with many purported benefits. According to the British Journal of Sports Medicine, the active constituents of tongkat ali appear to be eurycomalacton, eurycomanon, and eurycomanol. Research studies into the active chemical aspects of He shou wu extract have revealed several possible uses of the herb, namely, as an aphrodisiac, ergogenic aid and cancer-fighting agent.
One of the purported uses of tongkat ali is really as an ergogenic aid, or possibly a supplement that enhances the body’s adaptive response to exercise. Tongkat Ali is believed to generate this effect by causing an increase in the body’s levels of testosterone, a male se-x hormone which effects muscle size and performance. Based on a 2003 study by S. Hamzah as well as a. Yusof in “The British Journal of Sports Medicine,” a tongkat ali extract jointly with a weight-training course, caused a rise in lean body weight plus a lack of fat tissue in accordance with placebo. This supports the usage of tongkat ali by athletes as an ergogenic aid.
As tongkat ali is believed to enhance levels of the male se-x hormone testosterone, it could have utility as a libido-enhancer or general male se-xual aid. As outlined by a 2003 study by Ang HH, Ngai TH and Tan TH in “The Journal of Phytomedicine,” when an extract of tongkat ali was administered to middle-aged rats their se-xual performance increased in accordance with the placebo group. The key effect observed was a lowering of the hesitation-time period of the rats, indicating a heightened libido.
Tongkat ali has been specifically studied as a possible cancer-fighting agent, as a number of it’s chemical constituents have shown to exert anti-cancer effects in studies. In accordance with a 2005 study dexjpky63 Tee TT and Azimahtol HL inside the journal, “Anticancer Research,” an extract of tongkat ali exerted anti-proliferative effects against human breast cancers cells. In the 2003 study conducted at National Cheng Kung University and published in “The Journal of Natural Products,” an extract of pine pollen tablet killed human carcinoma of the lung cells, in addition to demonstrating anti-malarial effects.