Androstenedione is the intermediate hormone between DHEA and testosterone. It’s made naturally in the human body by the gonads and adrenal glands. The liver has the necessary enzyme to convert androstenedione into testosterone. This testosterone precursor, because it occurs naturally in plants and in the human body, under the new Dietary Supplement Health and Education Act, falls into the classification of a “dietary supplement“.
Androstenedionewas first used as a performance-enhancing substance by the East Germans. During the 1970’s and 1980’s, the East German doping scientists routinely used androstenedione in both male and female athletes to boost testosterone levels. Secret documents, which were discovered after the unification of East and West Germany, showed that a team of biologists, physiologists, and physicians, who were put in charge of programs to improve athletic performance in East German Olympic athletes, experimented extensively with androstenedione. These scientists recognized that a sudden burst of testosterone has the potential to boost athletic performance through its “psychotropic” effects. When testosterone levels are dramatically elevated, even for a short period of time, it seems to enhance muscle strength and performance, possibly by stimulating the central nervous system.
Research has shown that testosterone levels stay elevated for 2 and a half hours. Some lifters who take it about an hour or two before they work out, report more intense workouts, better pumps, and greater strength. That might indirectly lead to faster gains in muscle mass. Some also use the testosterone boosting properties to enhance sexual performance.