Peeing outside the litterbox. Straining to go at all. Constant meowing. When your cat has urinary issues, easing their discomfort requires special care. But with the help of your veterinarian and Royal Canin, theres not just hopethere can be a true difference.Whether this is your cats first urinary issue or they need ongoing urinary care, your vet recommended Royal Canin Urinary SO Moderate Cat Food for a reason. This veterinary-exclusive dry cat food was developed to nutritionally support your adult cats urinary tract and bladder health. It increases the amount of urine your cat produces to help dilute excess minerals that can cause crystals and stones. Moderate calorie content (9% less than Royal Canin Urinary SO dry cat food) helps them maintain a healthy weight. Relative Super Saturation (RSS) methodology is used to help lower ion concentration in urine, which contributes to stone formation. This formula promotes a urinary environment unfavorable to the formation of both struvite and calcium oxalate crystals. Lower urinary tract issues may be a recurring concern for some cats. Talk to your veterinarian about keeping your cat on this urinary cat food for long-term urinary support. And ask them about the right Royal Canin wet cat food and treats to complement your cats diet.With nearly 50 years of scientific research and observation, Royal Canin continues to deliver targeted nutrition to feed every pets magnificence. Not satisfied? Then neither are we. Our veterinary exclusive formulas are 100% satisfaction guaranteed. Royal Canin Urinary SO Moderate Calorie is a veterinary-exclusive dry cat food for cats prone to weight gain with urinary health concerns Helps dissolve pure struvite stones and helps prevent calcium oxalate stones Moderate calorie content (9% less calories than Royal Canin Feline Urinary SO dry cat food) for ideal weight maintenance Lowers the risk of crystal formation using RSS methodology for bladder health Supports urinary health with an exclusive S/O Index, and creates an environment unfavorable to crystal formation in the bladder