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On Serious Mass

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Optimum Nutrition Serious Mass : BUILD SERIOUS SIZE, FAST.

Are you ready to make some serious gains? If you’ve been struggling to reach your body composition goals despite rigorous training and diet changes, Serious Mass by Optimum Nutrition is your next best step. Specially designed for people looking to build mass, this blend of protein powder has an astounding 1,250 calories per serve. Theres only so much food one person can eat without feeling like a stuffed chicken, but when incorporating Serious Mass into your diet you can consume your desired calories without the full, bloated sensation you get after a giant meal.  

Not only will this fuel your gains, but in each serve you are giving your body the essential micronutrients required for anabolic activity. Used by athletes around the world, this high-protein weight gain powder is the first choice when it comes to achieving body composition goals.  

WHEN YOU TAKE SERIOUS MASS BY OPTIMUM NUTRITION YOU WILL: 
  • Fuel your muscle growth 
  • Encourage weight gain 
  • Support your body in a hardcore training session 
  • Encourage quick body composition results 

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