Serious MASS 4.55kg

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  • Regular price $109.00


When you're wanting to put on extra weight for muscle gain, you have to be serious about your calorie intake. Serious Mass by Optimum Nutrition packs a whopping 1200 calories per serve with over 250gs of Carbohydrates with no added sugar and 50gs Protein to seriously maximise your post workout recovery, support glycogen replenishment and help you hit your muscle building goals!