Optimum Nutrition Serious Mass

    RRP: £64.99
    Our Price: £49.99

    • 1250 Calories per serving in water
    • 1640 Calories when made with low fat milk
    • Over 250 g of carbohydrates – with no added sugar
    • Includes Creatine, L-glutamine & Glutamine peptides, Choline, Insositol, and MCTs
    • Source of protein: contains 50 g of protein per serving
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