See to your puppy's unique nutritional needs with Purina ONE +Plus Natural Healthy Puppy Formula dry puppy food with added vitamins, minerals and nutrients. Real chicken is the first ingredient in our natural puppy food, helping to provide the high protein he requires for strong, growing muscles, including a healthy heart. We include rice and oatmeal in this high protein puppy food that gives your growing puppy the nutrition he needs at this stage in life, minus any artificial flavors, preservatives or fillers. Every serving of our Purina ONE +Plus Healthy Puppy formula contains DHA, a nutrient also found in mother's milk, to support his vision and brain development, and a blend of four antioxidant sources helps promote a strong immune system. This highly digestible healthy puppy food formula contains natural sources of glucosamine to help support healthy joints and calcium to support strong teeth and healthy gums.