BLUE Freedom Grain-Free Senior Dry Dog Food is made with chicken as the first ingredient plus antioxidant-rich fruits and vegetables for truly balanced nutrition. It s specially formulated for senior dogs. That s why it s made with essential proteins and carbohydrates to support energy requirements for an active lifestyle. What s more this senior dog food supports joint function and overall mobility with Glucosamine and Chondroitin. And like all Blue Buffalo dog food recipes this dog food contains no chicken (or poultry) by-product meals. It s also free of corn wheat and soy.