SERIOUS MASS is a product by OPTIMUM NUTRITION that helps increase muscle mass. And, as you would expect from any product by this brand, it mixes easily and tastes great. SERIOUS MASS is the most advanced mass gainer. It provides everything you need to build muscle tissue and develop your body just the way you’ve always wanted.
Each serving of SERIOUS MASS contains a protein blend and a carbohydrate blend that provide 1,250 calories. The protein formula is a blend of high-quality proteins, including whey protein concentrate, calcium caseinate, and egg albumin. Creatine, glutamine, choline, and inositol have also been added to make your workouts even better. Finally, SERIOUS MASS’s complete vitamin and mineral profile ensures proper nutritional balance.