Nutrisource Grain-Free Turkey Whitefish and Menhaden Fish Large-Breed Puppy Dry Dog Food is a grain-free dry puppy food specifically crafted for large breed growth, packed with animal proteins (including chicken and fish meals) to support developing muscles. This formula contains a controlled calcium and phosphorus ratio to promote steady bone development and help prevent overly rapid growth in large breed puppies. DHA from fish oil is included for healthy brain and eye maturation, and a blend of probiotics, prebiotics, and pumpkin aids in gentle digestion during this crucial life stage. Free of corn, wheat, and soy, and rich in antioxidants from fruits and veggies, this food gives large breed puppies a strong nutritional foundation for long-term health. Available in Multiple Sizes