Designed for puppies ages 1 to 12 months. Iams concentrated nutrition proactively nourishes your puppy to help keep him at his best. Natural fish oils with DHA (Docosahexaenoic Acid), a nutrient vital for optimal brain development, to help promote smarter, more trainable puppies. Protein sourced from chicken and egg helps build strong, firm muscles. 7 essential nutrients nourish the heart, essential minerals promote strong teeth and bones, and antioxidants help maintain a strong immune system. A high-quality source of protein with no fillers or artificial preservatives, Iams is gentle on the digestive system. Fuel your puppy's healthy development with 100% complete and balanced nutrition that's vet recommended.