Sustained Energy in Every Bite!" Mouth-Watering Muscle Milk® Bars are loaded with 25 grams of high-quality, muscle-sustaining protein consisting of milk protein isolate, whey protein isolate, calcium caseinate, milk protein concentrate, and sodium caseinate. Muscle Milk Bars are also lactose free and contain no trans-fats, so there is no question you getting a nutritious snack when you are on the go and time is tight. Whether you need a boost before you hit the gym or a nutritious snack at work, Muscle Milk Bars deliver the satisfying taste and healthy, sustained energy of Genuine Muscle Milk in two delicious flavors to make your taste buds happy: Chocolate Peanut Caramel and Vanilla Toffee Crunch. Benefits: * Premium Protein Blend: 25 grams of sustained release protein blend consisting of milk, casein, and whey. * Zero Tolerance: Zero lactose and trans-fat free * Amazing Taste: Same Muscle Milk flavor-rich indulgence!