Optimum Nutrition Serious Mass
Serious Gains, Serious Taste, Serious Mass™
Size is an advantage in many sports, but some athletes have a hard time gaining weight. You can only eat so much food. Serious Mass™ is the ultimate in weight gain formulas, with 1250 calories per serving and 50 grams of protein to support muscle growth and repair. This instantized powder makes the ideal post work-out 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.
- 1250 Calories
- 50 g of Whey Protein
- 25 Vitamins and Minerals
- Creatine and Glutamine
- Ideal formula to support weight gains
- Enjoy post work-out and between meals
- Available in a range of sizes and great tasting flavours
Mix 2 heaped scoops with 710 ml of water.
Ready to mix powder with protein, carbohydrates, vitamins and minerals, with sweetener