Prohormone Supplements for Bodybuilding :

Despite being considered as a muscle-building supplement, prohormones are actually true precursors of anabolic steroids. Legal in some countries, the use of prohormones has therefore quickly become popular among strength training enthusiasts. This is prohibited in Europe, but allowed in other countries such as Canada or the United States.

A prohormone qualifies an inactive precursor of a hormone, usually having a minimal hormonal effect by itself, but rather in the bloodstream as a hormone in an inactive form, ready to be "activated" later by modification. -traductionnelle. Examples of natural and human prohormones include proinsulin and pro-opiomelanocortin.