Serious Mass by Optimum Nutrition – High-Calorie Weight Gainer! Weight Gainer With 50 Grams Of Protein, Over 250 Grams Of Carbohydrates With No Added Sugar, Glutamine, Creatine & 25 Vitamins & Essential Minerals!Protein Powder Weight Gainer! Loaded with 1,250 Calories, 250g of Carbs, & 25 Vitamins and Minerals to Pack on Pound!Serious Mass: The ultimate in weight gain formulas. Serious Mass supplies you with the tools you need to pack on the pounds and develop the physique you’ve always wanted. Each serving of Serious Mass contains 1250 serious calories derived primarily from protein sparing complex carbohydrates and a high quality protein blend consisting of Whey Protein Concentrate, Calcium Caseinate, and Egg albumen. Creatine Monohydrate, Glutamine, Choline and Inositol have been added to optimize each strength training workout while a complete vitamin and mineral profile insures your body gets the balanced nutrients it needs.Packing a very substantial 1,250 calories into every serving even more when mixed with cold milk Serious Mass is the ultimate weight gain formula. With 50 grams of muscle building protein, when used in conjunction with a healthy, balanced diet and regular weight training, this powdered mix provides you with serious weight gaining support for developing your physique to the fullest. You put in the hard work, so get the most out of your workouts! CONSISTENCYOptimum Nutrition has been spotting the efforts of goal driven individuals since 1986. As one of the few companies to own and operate state-of-the-art manufacturing facilities that are GMP compliant and NSF Certified for Sport, ON assures that every shake will mix up effortlessly because the company started instantizing powdered products back in 2000. You also expect each shake to taste the same as the last and your next. Thats the kind of consistency ON delivers. HISTORY & HERITAGEOptimum Nutrition is legendary for both quality and innovation. In addition to producing the worlds best-selling whey protein, ONs Gold Standard 100% Casein introduced slow-digesting nighttime protein to the weight training world and Amino Energy created the anytime energy category in sports nutrition. When technology makes advancements possible, ON will be the company bringing it to you. Note: Manufacturers continually change product specifications. While we try our best to keep product descriptions up to date, they do not necessarily reflect the latest information available from the manufacturer. We are not responsible for incorrect or outdated product descriptions and/or images.