Because dog foods are bought by people, dog food suppliers market to the ideas dog owners have about their dogs likes. This explains why they come in different shapes and colors, with or without gravy, dry or moist, etc. Dogs do not need any of these things for the best all natural dog foods.the best dog food The best all natural dog foods are also around 25% vegetables. This does not mean give your dog a whole, raw carrot. In the wild your dog would get these vegetable requirements from the predigested vegetables in the animal’s stomach and intestines. Nutritive herbs provide a blend of vital nutrients that are essential in the best all natural dog foods.