Product Overview
Product Description Optimum Nutrition has been helping performance-oriented athletes achieve their goals for over 35 years. This time, we bring you the intense and optimised version of our muscle building and weight gain products. Get to know the high-calorie protein powder Serious Mass, developed for real sports enthusiasts and high-performance athletes. Serious Mass is the ultimate formula for muscle building and weight gain. This protein powder is the ideal shake after training and between meals to achieve your goals. Each serving of this mass gainer contains 25 essential vitamins and minerals (including vitamin D, B12, E, biotin and magnesium), over 1,250 calories to increase your calorie intake, 50 g of protein to support muscle growth* and 250 g of carbohydrates to support muscle regeneration**. In addition, each serving has been enriched with 3 g of creatine monohydrate, which in…
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