IAMS for Vitality Large Breed Puppy Food with Fresh Chicken provides 100% complete and balanced nutrition for large breed puppies up to 2 years old. With 81% animal protein (out of total protein) and tailored nutrients, including minerals and vitamins, this tasty meal supports your pet's 7 signs of healthy vitality, including growth and development, strong bones, healthy teeth, digestion, immune system, skin and coat, and brain development.