IAMS Puppy Large Breed Dry Dog Food is veterinarian recommended and made with real ingredients. Our kibble recipe starts with farm-raised chicken and includes wholesome grains and veggies. It’s tailored to large puppies: puppies 50-120 lbs. at maturity. Plus, our quality, easily digestible ingredients provide your big puppy with strong immune support, healthy skin and coat, and strong bones. Best yet? Omega-3 DHA makes your puppy even smarter and more trainable. Look for the IAMS difference.