Testosterone Phenylpropionate 2938 Testosterone phenylpropionate is one of the fast esters of a steroid active 4-5 days after injection. It is the average between testosterone propionate and cypionate both in power and duration of action. As a sport dope, “phenyl” (slang reduction) is used primarily for the purpose of qualitative muscle growth, increasing strength and endurance. Testosterone phenylpropionate: detailed description Like
