Purina ONE +Plus Large Breed Adult Chicken Dry Dog Food - No matter how far science advances, Purina always looks to nature for inspirtation. Purina ONE +Plus Large Breed Adult Formula combines nature and research for results you can see in your dog. That includes a SmartBlend of high-quality ingredients, plus glucosamine, for a formula that supports the health of large breed dogs. See the results Purina ONE can make in your dog. Purina ONE Dog +Plus Tailored Formulas build on an already solid foundation, creating tailored pet food options that support specific needs like ideal weight, healthy aging, joint health and more. From energy and immune health to strong muscles, including a healthy heart, these high-quality formulas combine nature and research for results you can see in your dog. Try dry and wet food options from veterinarian recommended Purina ONE today. Natural With Added Vitamins, Minerals & Nutrients Real Chicken is #1 Ingredient Specially Formulated for Large Breed Adult Dogs Supports Strong Muscles, Including a Healthy Heart Glucosamine + High Protein Promote Joint Health + Ideal Body Condition Purina ONE Formulas Are Veterinarian Recommended