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Optimum Nutrition

Serious Mass

$47.49

HIGH-CALORIE WEIGHT GAINER
Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery, 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 youäó»ve always wanted.

Beyond The Basics

  • Adding Calories Has Never Been This Easy or Tasted So Good
  • 1,250 CALORIES
  • 50 g of BLENDED PROTEIN
  • Over 250 g of Carbohydrates with NO ADDED SUGAR
  • Creatine, Glutamine, and Glutamic Acid
  • 25 Vitamins and Essential Minerals