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Optimum Nutrition Serious MassAdult



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Product #: 3150131

Bulk up and achieve your weight goals with the Optimum Nutrition Serious Mass. Consisting of 1,250 calories and 50 grams of protein per 2-scoop serving, this weight-gain formula supports muscle recovery after your intense sets. Created to support your weight gain goals, the Optimum Nutrition Serious Mass is the ideal post-workout and between meals shake.

Optimum Nutrition Serious Mass features:

  • 1,250 calories per serving boost calorie intake.
  • 50 gm of protein per serving helps build and maintain muscles.
  • 252-254 gm of carbohydrates per serving helps fuel workouts.
  • No returns, all sales are final.