Methandrostenlone is one of the most effective building mass steroids ever created. It was, in fact, created specifically for athletes to use for improve performance (although it was claimed to have therapeutic ability). It is always very impressive gains weight and strength of most users. Experiencing 2-3 kg of weight per week is not unheard of, especially in novices. It notes that a lot of water if the weight, and more doses gynecomastia (bitch tits), high blood pressure, and acne may occur.