Sustanon is a combination of different esters of testosterone specifically designed for athletes. The most important benefit for athletes and bodybuilders is that they are injected only once a month, so they visit the doctor once a month, as well as other steroids. Causes muscle growth and fat loss. Therefore, this steroid is anabolic and strong catabolic. It is also capable of increasing erythropoiesis and increasing muscle oxygen uptake. Due to high oxygen muscle uptake, strenuous exercise can be easily accomplished. It can increase the aggressiveness by neuromuscular transmission. Weight loss using this drug is noteworthy. Used by athletes to increase muscle count and appearance. Due to its anabolic and catabolic activity, it is very popular to lose fat from the body among sports people. In fact, it does not increase muscle mass, but concentrates on muscle numbers. Erythropoiesis significantly increased and used in some anemias. It is used in conditions where glycogen synthesis is required. Bodybuilders use the game to increase aggression. Athletes are using for extreme training.