Optimum Nutrition ON Serious Mass High Protein with Vitamins and Minerals Weight Gainers/Mass Gainers(1 kg, Kulfi)
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Now Suitable for Vegetarians, SERIOUS MASS is the ultimate weight gain and muscle building formula. With +1200 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.