Since the beginning of bodybuilding, the PUMP is what we strive for in the gym. Bodybuilders live for the pump — that extra special feeling when you squeeze out another curl or a chest-swelling bench press. You know the feeling — that shirt splitting, swollen-to-the-max feeling that shocks others and demands respect. MUTANT PUMP is designed for you. Take just one serving before training and you'll know why. Once you train on MUTANT PUMP, you'll never train without it!