Clinical precision in a palatable loaf. Royal Canin Urinary S/O in Loaf is a veterinary-exclusive wet food designed to manage Lower Urinary Tract Diseases (LUTD) in adult cats. This smooth, soft loaf formula helps dissolve pure struvite stones and prevents the formation of calcium oxalate crystals. By promoting a healthy urine concentration and providing essential moisture, it supports cats suffering from feline idiopathic cystitis while being easy to eat for cats who prefer a uniform texture.