Gp Sust 270 WRITE A REVIEW BEFORE YOU RATE! Injectable Anabolic Steroids by geneza pharmaceuiticals know as Sustanon. Substances: testosterone decanoate, testosterone isocaproate, testosterone phenylpropionate, testosterone propionate, trenbolone acetate. GP Sust 270 by Geneza Pharmaceuticals is an injectable steroid which contains the hormone testosterone in five different esters equaling a total of 270 mg. Each ML of GP Sust 270 contains the following: Testosterone Acetate - 20 mg, Testosterone Propionate - 30 mg, Testosterone Phenylpropionate - 60 mg Testosterone Isocaproate - 60 mg, Testosterone Decanoate - 100 mg. GP Sust 270 by Geneza Pharmaceuticals is an injectable steroid which contains the hormone testosterone in five different esters equaling a total of 270 mg. Each ML of GP Sust 270 contains the following: 20 mg of Testosterone Acetate, 30 mg of Testosterone Propionate, 60 mg of Testosterone Phenylpropionate, 60mg of Testosterone Isocaproate, and 100mg Testosterone Decanoate.