Xtreme Size-Up is specially designed for hard gainers who want to gain weight and pack-on quality mass. MET-Rx Xtreme Size Up features FOUR Hardcore Optimizer Blends to help you keep growing when other weight gainers quit. Each serving of Xtreme Size-Up contains 59g protein, 64-67g High-Quality Complex Carbs, 3g Creatine, 3g Glutamine and 600 calories. Xtreme Size-Up contains no fructose or aspartame. Xtreme Size-Up gainer mixes quickly and goes down easy.
Each serving contains 59g protein, 64-67g High-Quality Complex Carbs, 3g Creatine, 3g Glutamine and 600 calories
