Methyltestosterone is an anabolic steroid widely used for medical purposes, espically for those who have lack of testosterone in the body. Methyltestosterone was also used for the treatment of advanced breast cancer. It is also popular among both bodybuilders and athletes. Methyltestosterone is widely used among bodybuilders to enhance the body mass and it is also claimed to provide spontaneous energy bursts with increased aggression. That is why it is a proper chooice to weight lifters and wrestlers. Many of bodybuilders prefer Methyltestosterone due to its ability to increase aggression and improve the performances for short durations.