Take your physique and training to the next level with Optimum Nutrition’s Serious Mass. Packed with 50 grams of muscle-building protein per serving, Optimum Nutrition Serious Mass Protein Powder helps you gain weight and get the mass you work hard for every time you rip through an intense workout. For added nutrients with every serving, Serious Mass contains 25 vitamins and essential minerals, more than 250g of carbohydrates and no added sugar. FEATURES: 50 grams of muscle-building protein per serving 1,250 calories per serving; 40 calories from fat per serving Helps with weight gain, muscle recovery and muscle growth More than 250g of carbohydrates with no added sugar Contains Creatine, Glutamine and Glutamic Acid Includes 25 Vitamins and Essential Minerals Great as a post-workout drink or a between meals snack Optimum Nutrition