BLUE Life Protection Formula Senior Dry Dog Food is made with the finest natural ingredients ? including real chicken wholesome whole grains and healthy fruits and veggies ? to support your dog s health and wellness. BLUE Life Protection Formula for senior dogs also features antioxidant-rich LifeSource Bits to support immune system health. What s more this senior dog food contains Glucosamine and Chondroitin to help support hip and joint health for overall mobility. 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.