Give your senior dog Purina ONE +Plus Vibrant Maturity Adult 7+ Formula dry dog food to give him the best of nature and research. We craft this dry senior dog food with MCT-rich vegetable oil to nourish and promote mental sharpness and showed an increased average activity level over 20 percent. Chicken is the number 1 ingredient, helping create a high protein dog food that maintains his strong muscles, including his healthy heart. Four antioxidant sources also support a strong immune system, and natural sources of glucosamine for dogs help support his joints. All that wholesome goodness comes together in meaty morsels and crunchy kibble that gives him 100 percent complete and balanced nutrition for adult dogs, with no artificial flavors or preservatives. Plus, this Purina ONE senior dog food is made with 0 percent fillers, which means every ingredient has a purpose, and it features a highly digestible formula, so more nutrition goes to work inside of your dog.,Purina ONE is produced in U.S. facilities where we take steps to make it good for your dog and good for the environment, like reducing water and using renewable electricity. When your dog has finished enjoying this food, please check your label for recycling guidance.