Optimum Nutrition Serious Mass (6 Lbs) Chocolate EXP Feb 2026

748927062076
$57.00
$57.00 $65.00
Tax included. Shipping calculated at checkout.

WHAT IS SERIOUS MASS?

Serious Mass is the ultimate weight gain formula.* With 1,284 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes a sizable post-workout and between meals shake.* Serious Mass gives you the tools you need to pack on pounds and - when coupled with serious weight training - develop your physique to the fullest.*

BEYOND THE BASICS:

  • Adding Calories Has Never Been This Easy or Tasted So Good
  • 1,250 Calories
  • 50 Grams of Blended Protein
  • Over 254 Grams of Carbohydrates with No Added Sugar
  • Enhanced with Creatine, Glutamine, and Glutamic Acid
  • Vitamins and Essential Minerals

HOW IS IT DIFFERENT FROM OTHER GAINERS?

serious mass - weight gain formula - 50g of protein. pro complex gainer - lean gain formula - 60g of protein.

CONTAINS:

• WHEY CONCENTRATE

• WHEY ISOLATES

• CASEIN PROTEIN

• EGG PROTEIN

• CREATINE

• GLUTAMINE

CONTAINS:

• WHEY ISOLATES

• WHEY CONCENTRATE

• CASEIN PROTEIN

• EGG PROTEIN

• HYDROLIZED WHEY PEPTIDES