Detailed Review of NPP Side Effects
Nandrolone phenylpropionate (NPP) is an anabolic-androgenic steroid and a derivative of nandrolone. It is available as a powder, tablet, or injection. NPP was first marketed in the early 1990s and has been used by bodybuilders, athletes, and others for its muscle-building, fat-loss, and strength-enhancing properties. Nandrolone phenylpropionate (NPP) is a synthetic testosterone ester that is …