Dogs require proper nutrition for better health and growth. Nutritional requirements may vary for dogs by breeds, health, age, and size. You can take the recommendations of your vet to choose the Best food for dogs. You can buy commercial dog food that is specially designed to meet all nutritional needs of a dog. Most products contain vitamins, fruits, vegetables, grains, and meat. As per Veterinary Nutrition college of America, the commercial dog food is safe and healthy for pets and dogs. You have to consider the stage of dog's life, such as puppy, nursing, pregnant or adult. Carefully read the label of commercial dog food to know the level, life stage, and age of the dog.