f you are having trouble packing on quality mass despite a rigorous workout schedule, then more than likely the major consideration will be whether or not more calories are needed in your diet. For this reason, Gaspari Nutrition’s research and developm For those athletes desperately trying to put on quality mass, the question will undoubtedly arise, "Am I consuming enough calories?" If you are having trouble packing on quality mass despite a rigorous workout schedule, then more than likely the major consideration will be whether or not more calories are needed in your diet. For this reason, Gaspari Nutrition's research and development team is proud to present Real Mass™ – The Complete Weight Gainer.