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Optimum Nutrition | Serious Mass 6 lbs

Optimum Nutrition | Serious Mass 6 lbs

Regular price $54.99 USD
Regular price Sale price $54.99 USD
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Serious Mass is the ultimate in weight gain formulas.  With 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals.  Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.  This blend contains whey concentrate, whey isolates, casein protein, egg protein, creatine, and glutamine.  Serious Mass is a substantial weight-gain supplement that can be used to feed serious calorie needs in a variety of different ways.


  • 1,250 calories
  • 50g of blended protein
  • Over 250g of carbohydrates with no added sugar
  • Creatine, glutamine, and glutamic acid
  • 25 vitamins and essential minerals
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