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Optimum Nutrition Serious Mass Gainer
Serious Mass is the ultimate muscle building and weight gain formula.
With 1,250 calories per 2-scoop serving and 50 grams of protein to support muscle recovery, this 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 support your weight gains goals.
Greatest Weight Gainer for Growing Muscle!
- High-Calorie Formula Supports Muscle Building³ and Weight Gain Goals
- 1,250 Calories per Serving to Help Boost Calorie Intake
- 50 Grams of Protein per Serving to Help Build and Maintain Muscle
- 252-254 Grams of Carbohydrates per Serving to Help Fuel Workouts
- 3 Grams of Creatine Monohydrate per Serving
- 25 Vitamins & Essential Minerals
*This product is not intended to diagnose, treat, cure, or prevent any disease.
