- Vitamin C, Zinc and Vitamin D Provide Immune Support along with Vitamin E
- Packaging may vary – New look, with the same trusted Quality!
- High Calorie Weight Gainer: 1,250 Calories per 2-Scoop Serving
- 50 Grams of Protein per Serving
- Over 250 Grams of Carbohydrates per Serving
- 25 Vitamins & Minerals Plus Creatine & Glutamine
Optimum Nutrition Serious Mass
Optimum Nutrition Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals.
Optimum Nutrition Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.
Supercharge Your Optimum Nutrition Serious Mass
Using an electric blender, you can add nuts, fresh or frozen fruits and other calorie-contributing ingredient to enhance the weight gain and muscle recovery potential of Optimum Nutrition Serious Mass. With less than 5 grams of fat per serving, Optimum Nutrition Serious Mass is the weight gain formula packed with calories that count during recovery.