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Optimum Nutrition Serious Mass Weight Gain Powder Vanilla 5440g
Optimum Nutrition Serious Mass Weight Gain Powder Vanilla 5440g
by Optimum Nutrition
Average Customer Review: 4.1 out of 5 stars  See all reviews (295)
In stock
FREE Delivery in the UK.
£43.75
Product Description
Optimum Nutrition's Serious Mass is the ideal weight gain formula. If you find it difficult to gain weight, Serious Mass could help. Each delicious shake delivers an incredible 1,250 calories, with no added sugar. This includes 50 grams of blended protein to support building muscle and 250 grams of... Read More

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