Mass-Tech Extreme 2000 (when mixed with 20 oz of skim milk) you're looking at 80g of protein, over 400g of carbs, and over 2000 calories, including 8.3 g of L-leucine, 5g of creatine, and 21 vitamins and minerals. Mass-Tech Extreme has everything you need to pack on muscle, add size, and destroy those strength goals.