Twinlab is one of the first companies in the world to market this incredible new supplement. 7-Keto DHEA was developed by expert researchers at the University of Wisconsin. Found in many body tissues, 7-Keto DHEA is a naturally occurring metabolite derived from DHEA. It is, in fact, an improved, more potent form of DHEA. But most importantly, it cannot be converted to active androgens (testosterone) and estrogens. As part of an exercise program, 7-Keto DHEA may improve lean body mass by reducing cortisol (a stress hormone that is immune suppressive and catabolic) and increasing testosterone- to-cortisol ratios, enabling the body to build muscle in a growth-promoting environment* 7-Keto DHEA also enhances thermogenesis And of course, a huge benefit of 7-Keto FUEL is the power of Twinlab's expertise and reputation. This product is carefully manufactured with stringent quality control, assuring correct potencies and outstanding product freshness.