Optimum Nutrition Serious Mass

  • Sale
  • Regular price $99.95
Tax included.


The ULTIMATE in weight gain formulas. Serious Mass supplies you with the tools you need to pack on the pounds and develop the physique you've always wanted.

Serious Mass points:

  • 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
  • Enhanced with Creatine and Glutamine
  • 25 Vitamins and Essential Minerals