Optimum Nutrition – Serious Mass 2.72kg


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SKU: N/A Product ID: 876063


Serious Mass is the ultimate muscle building and weight gain formula. With 1,250 calories per 2-scoop serving and 50 grams of protein to support muscle recovery, this 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 support your weight gains goals. 

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Chocolate, Vanilla


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