Of all the available dog food brands, those with high quality ingredients are essentially the right choice for a dog's growth and overall health. Brands are formulated to meet the requirements of all life stages. However, one must choose the kind of food that meets the dog’s specific needs. An overweight dog may need food with fewer calories. And reducing the amount should deliver the required nutrition and satiety. There are a whole lot of extra nutrients like Omega 3 fatty acids that get added to provide health benefits in dogs. Protecting pet food nutrients and keeping it fresh enhances palatability. Natural antioxidants like rosemary or mixed tocopherols are natural sources used to preserve foods. There are other approved and safe traditional antioxidants used in protecting the nutritional value of economical pet food.