Testosterone phenylpropionate (brand name Testolent), or testosterone phenpropionate, also known as testosterone hydrocinnamate, is a synthetic anabolic-androgenic steroid (AAS) and an androgen ester – specifically, the C17β phenylpropionate ester of testosterone.Testosterone phenylpropionate was also notably a component of Sustanon and Omnadren Testosterone phenylpropionate Effects:The most common report by subjects using Testosterone Phenylpropionate was immense gains in strength (3) as well …