Quest Natural Protein Bars allow you to get your protein fix that natural way with all natural sweeteners and flavors, natural prebiotic plant fiber and 20g protein from Whey protein Isolate and Milk protein isolate. Protein bar that pre-competition bodybuilders and fitness competitors use during preparation for their contests. Allows athletes to lose fat and build muscle mass while still eating food that they enjoy. Quest Nutrition's mission is to continue delivering something that no one has ever done before by providing great tasting, healthy food. Quite simply, they're making healthy eating fun.