BLUE Life Protection Formula Dog Food is formulated to help your best friend thrive. This dry dog food is made with the finest natural ingredients –– including real whitefish, wholesome whole grains, and healthy fruits and veggies –– to support your dog’s health and wellness. BLUE Life Protection Formula also features antioxidant-rich Life Source Bits to support immune system health, life stage requirements, and a healthy oxidative balance. Like all Blue Buffalo dog food recipes, BLUE Life Protection Formula contains no chicken (or poultry) by-product meals. This natural dry dog food is also free of corn, wheat, soy, artificial flavors, and preservatives.