Take control of your cat’s urinary health. Royal Canin Urinary SO is a veterinary-exclusive dry food specifically developed to support the bladder and urinary tract in adult cats. Using innovative RSS methodology, this formula effectively helps dissolve pure struvite stones and prevents the formation of calcium oxalate crystals. By reducing magnesium levels and promoting a healthy urine pH, it ensures a long-term solution for cats prone to urinary sensitivities.