Promote your large breed dog's whole body health and give him 100 percent complete and balanced nutrition for adult dogs with Purina ONE +Plus Natural Large Breed Formula With Added Vitamins, Minerals and Nutrients adult dry dog food. Featuring meaty morsels and crunchy kibble dogs love, this delicious dry dog food recipes starts with real chicken as its first ingredient and provides a high level of protein that helps support strong muscles and a healthy heart. Plus, this natural dog food with glucosamine is made by a veterinarian-recommended brand and formulated to help maintain an ideal body condition and joint health for dogs. Because this large breed chicken dog food recipe is made with no artificial flavors or preservatives and zero fillers, you can be confident that every high-quality ingredient has a purpose. We include four antioxidant sources in our adult large breed dog food for a strong immune system, and calcium along with the crunchy kibble supports strong teeth and healthy gums.