Calories 1290Protein 52 gCarbs 248 g Informed Choice - We Test You TrustBanned Substance TestedHigh Protein & Carb BlendDietary SupplementNaturally and Artificially Flavored10 g Fat5.1 g LeucineGluten FreeMacros & Amino Acids‡ Amounts Per Serving Information 1290 Calories  - Are calories essential to gaining muscle mass?  Yes Especially for those with high metabolisms or who find it difficult to eat enough quality calories throughout the day. Calories are essential to gaining and sustaining muscle mass because they prevent your hard-earned muscle gains from being used as fuel during periods of heavy training or between meals. 52g Protein - Multi-source, advanced mass-building protein blend. Super Mass Gainer contains a blend of high-quality slow and fast-digesting proteins to feed your muscles steadily throughout the day. 10.7 g BCAAS Including Leucine - Why leucine? Leucine is the BCAA that is Important to Muscle Protein Synthesis.Informed Choice® is a quality assurance program that certifies that all nutritional supplements that bear the Informed Choice logo have been regularly tested for banned substances by the world class sports anti-doping lab, LGC. Engineered to Fuel Massive Gains  Conquer your mass-building and weight-gaining obstacles and take the guesswork out of calorie intake with Super Mass Gainer™. Dymatize, the trusted leader in athletic nutrition for over 25 years, brings you Super Mass Gainer. If your goal is to pack on mass, then you need tons of high-quality macros. Super Mass Gainer has the calories, carbs, protein, vitamins, minerals, and naturally occurring essential amino acids needed to help you conquer your mass-building and performance goals Engineered To Crush Goals: Gain weight & muscle massIncrease caloriesMuscle maintenance The Science Behind the Scoops^ Multi-Source, Advanced Mass-Building Protein Blend Whey Protein IsolateMilk ProteinWhey Protein IsolateWhey Protein HydrolysateMicellar CaseinUnique blend of slow-digesting and fast-digesting whey and milk proteins scientifically shown to support muscle maintenance, and growth throughout the day. Carbohydrates, Calories, Vitamins & Minerals Nutrient-rich formula, including 14 vitamins and minerals, calories, and carbohydrates for glycogen replenishment and energy. Amazing Mixability & Versatility Pack more protein, carbs, and calories into delicious shakes, smoothies, and baked recipes. Tested for Purity & Banned Substance Tested  Our products are banned substance tested and rigorously tested for quality and purity. ^5 scoops per serving ‡All amino acids are naturally occurring in protein. Amounts are based on one serving.