ULTRA™ holistic dry puppy food is made with nutrient-dense, natural superfoods for high levels of antioxidants and DHA to give your puppy a healthy heart, strong immune system, and healthy brain development. We know that puppies burn a lot of energy and calories throughout the day. That's why the ULTRA™ brand created a specially formulated all-natural dry puppy kibble recipe that's easy to chew and full of whole ingredients to help them grow big and strong.