REAL MASS Probiotic Series is an advanced weight gainer formulation with a highly potent blend of seven amino acid packed sources of protein. If you"re a hard gainer, this is the product just for you. To further enhance the revolutionary formula is the durable and patent protected GanedenBC30 probiotic. This advanced probiotic is strong enough to survive manufacturing, doesn"t require refrigeration, is shelf stable, and survives stomach acids to deliver beneficial bacteria to your digestive syst