Optimum Nutrition Serious Mass 2.73kg

Serious Mass: the ULTIMATE in weight gain formulas. Optimum Nutrition Serious Mass 2.73kg supplies you with the tools you need to pack on the pounds and develop the physique you’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
• Enhanced with Creatine, Glutamine, and Glutamine Peptides
• 25 Vitamins and Essential Minerals