UPC 748927023008

Optimum Nutrition Serious Mass 1250 Calories 50g Blended protein Over 250g carbohydrates with no added sugar Enhanced with creatine, glutamine, and glutamine peptides 25 Vitamins and essential minerals Serious Mass is the ultimate in weight gain formulas. With 1250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals. Serious Mass provides you with the tools you need to pack on the pounds and - when coupled with serious weight room effort - develop your physique to the fullest.