Optimum Nutrition Serious Mass

$64.95$99.95

or 4 fortnightly payments from $16.24 with Afterpay or Laybuy

Optimum Nutrition Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals.

  • Adding Calories Has Never Been This Easy
  • Creatine, Glutamine and Glutamic Acid
  • 25 Vitamins and Essential Minerals

Available Sizes: 5 or 12lb

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Earn up to 50 ASN Points.