Iams Proactive Health Puppy Food Large Breed Dry Dog Food with Real Chicken delivers tailored nutrition to help keep your puppy healthy, happy, and playful. It’s packed with tasty flavor and 22 key nutrients like those your furbaby would get from his mother’s milk. The recipe is made with real chicken for paw-some protein to support muscle growth. It also contains omega-3 DHA to support your puppy’s mental and visual sharpness. Antioxidants support your best friend’s immune system development, too.