Royal Canin Urinary SO is a veterinary-exclusive dry dog food, developed to nutritionally support your adult dog's urinary tract and bladder health. It increases the amount of urine your dog produces to help dilute excess minerals that can cause crystals and stones. And this formula promotes a urinary environment unfavorable to the formation of both struvite and calcium oxalate crystals.

• For dogs with urinary health concerns
• Helps dissolve pure struvite stones and helps prevent calcium oxalate stones
• 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
• Helps prevent struvite stones from reoccurring