The kind of food you select for your dog can play an important role in your dog's nutrition, growth, and energy. The right ingredients will help maintain your dog's healthy teeth, skin and coat. There are plenty of concerns to address when finding the food that's right for your dog. If you have a small breed dog, you'll want to select a food with smaller kibble. If your dog gains weight easily, you'll want to find a food that is low in fat and calories. There are plenty of concerns to address when finding the food that's right for your dog. There's no one way of approaching nutrition for dogs. It's important to remember that a dog's needs change as it gets older. The different life stages call for varying levels of fitness, care, and nutrition.