Feed your canine the SmartBlend of high-quality ingredients in Purina ONE Natural Lamb and Rice Formula With Added Vitamins, Minerals and Nutrients dry dog food. What are the ingredients in Purina ONE? Real lamb is the first ingredient in our adult dog food with rice, providing protein for dogs that helps support strong muscles. Plus, this natural dog food includes premium Purina ONE dog food ingredients and added vitamins, minerals and nutrients to provide complete and balanced nutrition for adult dogs. Made with prebiotic fiber, this high protein dry dog food for skin and coat care is also highly digestible and formulated to support a microbiome balance. We add calcium to the crunchy kibble to support his strong teeth, too. Pick up that familiar red bag to see the differences this Purina ONE lamb and rice dog food can make in your dog, and look for the full Purina ONE feeding chart, calories per serving, dog food ingredients list and instructions on changing dog food.