Purina Pro Plan SPORT 7+ Performance 30/17 Chicken & Rice Forumula Dry Dog Food, 24-lb bag; Help your senior dog stay active and engaged with Purina Pro Plan SPORT 7+ Performance 30/17 Chicken & Rice Forumula Dry Dog Food. With real chicken as its #1 ingredient, this Purina Pro Plan senior dog food includes 30% protein and 17% fat to fuel an active dog’s metabolic needs and lean muscle. Concentrated nutrition in this highly digestive dog food boosts oxygen metabolism (VO2 max) to support increased endurance. It’s also packed with glucosamine and EPA, an Omega-3 fatty acid, making it an excellent dog food for joint health. Plus, it contains high-quality protein to support a healthy heart and amino acids to nourish muscles, including after exercise. This Purina Pro Plan Sport Chicken and Rice dog food has brain-supporting nutrients like DHA, EPA, B vitamins, arginine and antioxidants for dogs for cognitive health. To help your dog look their best, this dry dog food for older dogs includes Vitamin A and Omega-6 fatty acids for a healthy, shiny coat.