Optimum Serious Mass

Optimum Serious Mass

Optimum Gold Standard 100% Isolate

Optimum Gold Standard 100% Isolate

Optimum Serious Mass

In stock
Grouped product items
Product Name Qty
Serious Mass 2.72kg - Vanilla
$55.95
Serious Mass 2.72kg - Chocolate
$55.95
Out of stock
Serious Mass 5.4kg - Chocolate
$99.95
Serious Mass 5.4kg - Vanilla
$99.95
Optimum Nutrition Serious Mass Weight Gainer Protein Supplement

Optimum Nutrition Serious Mass

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

Optimum Nutrition Serious Mass Nutrition Bar

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

Optimum Serious Mass Nutrition Information

Optimum Nutrition Serious Mass Weight Gainer Protein Facts
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