MuscleTech researchers have engineered a brand-new, 5-in-1, hardcore mass gainer designed for individuals looking to put on an extreme amount of mass. MASS-TECH EXTREME 2000 features 80g of protein, over 400g of carbs and over 2000 mass-producing calories, plus 8.3g of L-leucine (when mixed with 20 oz. of skim milk), 10g of creatine, and 21 vitamins and minerals for huge size and strength gains. MASS-TECH EXTREME 2000 has everything you need to bulk up, pack on muscle and smash through strength plateaus.