Serious Mass 6lbs (2.7kg) by Optimum Nutrition


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  • 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
  • Over 250 Grams of Carbohydrates per Serving
  • 25 Vitamins and Minerals Plus Creatine and Glutamine
  • Using an Electric Blender to Add Fresh or Frozen Fruits, Peanut Butter, Nuts and Other Calorie Dense Foods to Boost Your Weight Gain Potential

Additional information



Serving Size

6lbs (2.7kg)


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