Bigger muscles are made with heavy training and extra calories. Plan out your lifting and depend on ABB to take nutrition over the top. Extreme XXL delivers 1060 calories of mass building potential from proteins and carbs. Mix it with low-fat milk for even more quality mass building calories. A cascade of vitamins and minerals complements this avalanche of macronutrients with micronutrient support. Think of Extreme XXL as your spotting partner for achieving greatness.