Delight your dog with the taste and texture in Purina ONE Natural Small Bites Beef and Rice Formula adult dry dog food with added vitamins, minerals and nutrients. What are the ingredients in Purina ONE? The SmartBlend of high-quality ingredients starts with real beef as the first ingredient, helping create a high protein dog food that helps support strong muscles, including a healthy heart. This real meat dog food also has high-quality carbohydrate sources for healthy energy and prebiotic fiber for gut health and immune support. The beef dog food also adds calcium to the crunchy dog food kibble bites, helping promote strong teeth. With 0 percent fillers, each of the high-quality Purina ONE dog food ingredients in our beef dry dog food have a purpose. Give your dog lifelong nutrition with this Purina ONE Small Bites dog food, and check out the small dog food bag for the full Purina ONE feeding chart, calories in dog food, dog food ingredients list and instructions on changing dog food.