Ensure your senior dog stays engaged by supporting their active lifestyle with Purina Pro Plan Sport Adult 7 Plus Performance 30/17 Chicken & Rice Formula Senior Dry Dog Food. Featuring real chicken as its number one ingredient, this senior Purina Pro Plan dog food from a veterinarian-recommended brand is expertly formulated with 30 percent protein and 17 percent fat to help fuel your active dogs metabolic needs and maintain lean muscle. The concentrated nutrition within this heart-healthy dog food boosts oxygen metabolism (VO2 max) for increased endurance. This Purina Pro Plan senior dry dog food also has brain-supporting nutrients like DHA, EPA, B vitamins, arginine and antioxidants to promote cognitive health. Plus, it contains high-quality protein to support dog heart health and amino acids to nourish muscles, including the crucial time following exercise. Its also packed with glucosamine and EPA, an omega-3 fatty acid, making it an excellent mobility dog food for joint health. And because your dog should always be their best, this Purina Sport dog food includes vitamin A and omega-6 fatty acids for a healthy, shiny coat. Its high-quality nutrition you can trust because every Purina Pro Plan Sport senior dog food is proudly manufactured at Purina-owned facilities and rigorously tested for quality and safety.