What Is Methandrostenolone (Dianabol) ? Just like Oxandrolone, Methandrostenolone is a synthetic steroid that is made from testosterone. Commonly referred to as Dianabol, it famously promotes an anabolic environment in the body, which means it sets the stage for muscle growth. Once in the body and past the liver, Methandrostenolone seeks out and hooks up with androgen receptors, which control the release …