Purina Pro Plan Veterinary Diets UR Urinary Ox/St Canine Formulas are made with high-quality ingredients and formulated to help reduce the risk of urinary stone formation in dogs. The science behind our therapeutic diets represents a collaboration between Purina nutritionists, researchers and veterinarians.

• Promotes a urinary environment unfavorable to the development of both sterile struvite* and calcium oxalate crystals
• Helps dissolve sterile struvite stones
• Helps reduce the risk of both sterile struvite* and calcium oxalate stone recurrence
• High-quality protein
• Contains antioxidants
• Great taste