Instant Pumps from Day One! If you are looking for better workouts, more strength, insane pumps and increases muscle mass in the shortest amount of time, welcome TMX Andro Stack from EPG. EPG is known for having some of the most intense prohormones on the market, but since the ban in 2014, the selection has been limited…until now! With TMX Andro Stack, you can lift heavier and harder during every workout. ACHIEVE REAL STRENGTH AND MUSCLE MASS GAINS!