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Optimum Nutrition Serious Mass 5.4kg | Chocolate

In stock

SKU

OPT-SERMAS5450-CHO

£37.63

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

BEYOND THE BASICS

Adding Calories Has Never Been This Easy or Tasted So Good
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Nutritional Information