About this item 600+ calories per serving makes the perfect mass gainer supplement for athletes looking to pack mass on to make weight, or bulk for the off season Easily digestible formula made with fiber and inulin to make the most of every Real Gains mass gainer shake Delicious flavor in every serving will leave you craving your next weight gainer Real Gains shake. Easily mixable in water or any beverage of your choice Provides both fast and slow digesting carbs and proteins to feed your muscles and keep your body growing Real Gains provides healthy fats from MCTs and EFAs for a very nutrient dense shake