Optimum Nutrition Serious Mass alle Geschmacksrichtungen

Available in a range of sizes and great tasting flavours. Serious weight gain requires serious calories. Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving to boost daily calorie intake, 50g high protein to support muscle growth and repair, over 250g carbohydrates helping support muscle recovery, and now with 3g added Creatine to support performance per serving, you’ve got nothing to lose and lots to gain.

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