Paragon Labs is a manufacturer of the injection Sustanon 300. It is frequently used for the diagnosis or treatment of hormone secretion issues, male hormone deficiency, and adult males with low or absent testosterone due to intrinsic hypogonadism or hypogonadotropic hypogonadism. It can cause changes in cholesterol levels, acne, enlarged male breasts, and changes in liver function tests. Sustanon 300 Injection is made using the salts Testosterone Decanoate, Testosterone Isocaproate, Testosterone Phenylpropionate, and Testosterone Propionate.