These compounds claim to act like human steroid hormones, such as testosterone. However, other than creatine, no natural product is approved for bodybuilding in humans. The Food and Drug ...

Steroid hormones are usually assumed to be long term modulators of behavior. Recent discoveries show that steroids can act rapidly, dynamically regulating stress responses and social behaviors.

The way has been cleared for a possible total synthesis of cortisone ... Among the complete steroids are androsterone and testosterone (the male sex hormones) and cortisone, which has recently ...

Any scientist who could fully synthesize the alkaloid in a lab ... overtake Glidden as the leading manufacturer of steroid hormones. In 1953, after Upjohn's discovery of the oxygen-inserting ...