Nandrolone phenylpropionate (NPP), also known as nandrolone decanoate, is an anabolic androgenic steroid that was developed in the early 1950s. It is a derivative of testosterone and is considered to be a first-generation anabolic steroid. Defining what Nandrolone Phenylpropionate (NPP)is in bodybuilding NPP is a highly-enzyme inhibiting steroid hormone that has been around since…

Nandrolone phenylpropionate (NPP) is a synthetic androgen and anabolic steroid which was first introduced in the early 1960s. It is a white to off-white powder that is soluble in water and alcohol. NPP is a testosterone derivative and has properties that make it an excellent anabolic androgen. NPP has been used by many athletes, bodybuilders,…