Blue Buffalo Natural Veterinary Diet W+U Weight Management and Urinary Care Dry Dog Food is a veterinarian-prescribed weight management formula with real chicken as the first ingredient. This dry dog food is crafted with ideal levels of fat, calories, fiber, and minerals, making it a great meal to manage your dog's weight while supporting their urinary health. Like all Blue Buffalo dog food, this dry dog food is formulated without any chicken (or poultry) by-product meals. It's also free of corn, wheat, soy, artificial flavors, and preservatives. With BLUE Natural Veterinary Diet, you can feel great knowing your dog's food tastes great and is keeping them healthy.