Royal Canin Urinary S/O in Gravy is specially formulated with the nutritional needs of your adult cat in mind. This food has a high moisture content to help your cat produce an increased amount of diluted urine. In the development of Royal Canin Urinary S/O, RSS (Relative Super Saturation) methodology is utilised to assist in the reduced concentration of ions that play a part in the formation of crystals. As part of the Royal Canin Veterinary Range, it is important that this product is only given to your pet when recommended by a veterinary professional. If you’re considering mixed feeding, simply follow Royal Canin feeding guidelines to ensure your cat gets an accurate amount of both wet and dry food for optimal benefit.