The aromatic root of perennial herbs of Panax ginseng. Ginseng, used in traditional Chinese medicine and available as a nutritional supplement, is classified as an adaptogenic herb with multiple effects, many of them are regulatory in nature. It contains a complex mixture of saponins, ginsenosides and panaxosides. Although the mechanism of action is unclear, ginseng is reported to enhance the immune system and reduce fatigue. Check foractive clinical trials using this agent.