SCIENTIFICALLY ENGINEERED PUMPSEnter the gym and experience Gamma-ray; the fastest working, blood gorging, pump producing. pre-workout supplement on the market. The difference between the average person in the gym and the top amateur and pro bodybuilders are the 3D-round muscle they carry. It goes way beyond muscle to produce this look. These athletes have the ability to increase blood flow to and from the muscle better than the normal person. With Gamma-ray we are able to level the playing field and bring you closer to achieving the same results as the top physiques in the world.