NandroPhenyl is a Nandrolone based product with the Phenyl-Propionate ester attached. Also known as a 19-nortestosterone it is an androgenic and anabolic steroid. The alliance of an enhanced protein synthesis rate and outstanding nitrogen retention makes for an excellent mix when it comes to building lean muscle mass. Its fast-acting ester allows for shorter cycles commonly used at time of competition prep during a calorie deficit.