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Serious Mass from Optimum Nutrition provides every active athlete with the nutrients needed to put on weight and support the body in building and maintaining muscle mass. So you can almost say that Serious Mass from Optimum Nutrition is a small guarantee that every active and ambitious athlete is rewarded with the body he or she has been dreaming of since the first training session. Serious Mass from Optimum Nutrition was conceived for athletes who want to gain weight in a targeted manner and thus create a basis for an athletic body and the corresponding muscles. This development of such a specific product can be described as very successful in the case of Serious Mass from Optimum Nutrition because here the athlete consumes over 1250 calories with each unit which are also enriched with 50g of high-quality proteins and to which substances such as ultrafiltered whey protein concentrate calcium and casein are added. In detail this means that with each potential intake you also take 25 different minerals and essential vitamins to which pure glutamine and glutamine peptide have of course also been added. The special combination with slow carbohydrates creates an interaction that lets Serious Mass from Optimum Nutrition mutate into a preparation that releases wonderful energies. Serious Mass from Optimum Nutrition is naturally available in the tasteful nuances of strawberry vanilla banana and chocolate and you will really love this creamy shake! Recommended dosage 1-3 servings daily depending upon need approx. 80-100g. Dissolve one serving between meals one serving 1 hour before training and one serving directly after training in cool water 100 ml.