The king mass xl flavor system delivers a milkshake taste with seamless mix-ability every time making slamming down your shake a treat not a chore. ... King mass xl hits you with 1000 "Growth Accelerating" calories per serving providing 60g of quality protein 180g of carbs (only 25 sugars) and healthy fats. Recovery: In your pursuit of KING-SIZED MASS you will be hitting the iron like a BEAST! That means you will need KING-SIZED RECOVERY. Flooding you muscles with the protein and carbs in KING MASS XL™ will crank your insulin leading to more GLYCOGEN storage and recovery preparing you for your next brutal workout.