PACKED WITH REAL CHICKEN: Made to feed your feline’s wild side, this high protein cat food is packed with more of the chicken cats crave to help build and maintain lean muscle mass. GRAIN FREE INDOOR CAT FOOD: BLUE Wilderness grain free indoor cat food is specially formulated to help meet the unique needs of indoor cats to support healthy weight and healthy digestion without the grains that contain gluten.WITH LIFESOURCE BITS: This formula contains BLUE’s exclusive LifeSource Bits® – a precise blend of antioxidants, vitamins and minerals carefully selected by holistic veterinarians and animal nutritionists to support immune system health, life stage requirements, and a healthy oxidative balance. NATURAL CAT FOOD: BLUE dry cat food is formulated for the health and well-being of your adult cat and features the finest natural ingredients enhanced with vitamins and minerals. It never contains chicken (or poultry) by-product meals, corn, wheat, soy, artificial flavors or preservatives