Nandrolone phenylpropionate (NPP) is a synthetic androgen and anabolic steroid and is most commonly used by bodybuilders, athletes, and those in the fitness industry. NPP is considered to be a more potent form of nandrolone than nandrolone decanoate (Deca-NPP) due to its higher testosterone to estradiol ratio.
What is Nandrolone Phenylpropionate (NPP) in bodybuilding? …
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