Royal Canin - appropriate nutrition, not just food. Different dogs have different dietary needs. The nutritional concept of Royal Canin Health Nutrition and Royal Canin Breed dog food has been specifically adapted for the size, age, activity levels and life-style of each individual dog. Royal Canin dry dog food provides your dog with a complete, balanced diet to help keep your dog fit and healthy for a long life. As a pioneer of dry dog food, Royal Canin relies on intense research and the most modern production methods to create dog food of the highest quality.