Optimum Nutrition 2X SERIOUS MASS 5455 G
2X SERIOUS MASS 5455 G
If you’re looking to increase muscle size and weight then Serious Mass from the makers of Gold Standard 100% Whey is just what you need. One of the best-known weight gain powders available, each serving of Serious Mass is packed with 53 g of protein to support the growth of muscle. Plus, 250 g of carbohydrate and 1250 kcal per serving boosts the number of calories in your diet, while Serious Mass is also packed with added vitamins and minerals, as well as creatine, glutamine, inositol, and choline. Best of all, Serious Mass comes in six fantastic flavours and tastes great too!