Body Builder Question: Download Body Builder PDF

Also called anabolic steroids, these are artificial male hormones that aid in nitrogen retention and thereby add to a male bodybuilder's muscle mass and strength. These drugs are not without hazardous side effects, however, and they are legally available only through a physician's prescription. Steroids are available in most gyms via the black market, but it is very danger-ous to use such unknown substances to increase muscle mass.