Purina Pro Plan Veterinary Diets UR Urinary St/Ox Feline Formulas are made with high-quality ingredients and formulated to help reduce the risk of urinary stone formation. From a collaboration between Purina nutritionists, researchers, and veterinarians, our therapeutic diets promote a urinary environment unfavorable to the development of struvite and calcium oxalate crystals.
- Helps dissolve struvite stones
- Helps reduce the risk of both struvite and calcium oxalate stone recurrence
- Promotes increased urine volume to dilute the urine
- High-quality protein
- Great taste










































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