Royal Canin was established by the French veterinary surgeon Jean Cathary in 1968 and has been one of the leading pet food researchers since 1973. Not only are their Prescription diets tried and true but they also use the same science and principles for their over the counter brands which is why they are so highly recommended by Veterinarians across the world.
Hill's was founded in 1907 and by 1968 had expanded into its Veterinary line of prescription diets and over the counter Science Diet and began shipping world wide. As another leading pet food research company you can rest assured that their food is top quality and one of the best choices for your pet.