Optimum Nutrition Serious Mass Weight Gainer Protein Powder - 12lb Strawberry Flavor | High Calorie Protein Supplement with Vitamins C, D & Zinc for Muscle Growth & Immune Support | Perfect for Post-Workout Recovery & Bodybuilding 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. Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.

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

Using an Electric Blender to Add Fresh or Frozen Fruits, Peanut Butter, Nuts & Other Calorie Dense Foods to Boost Your Weight Gain Potential