If your cat suffers with urinary stones, choosing a tailored food can be a beneficial way to combat the issue. Purina Pro Plan Veterinary Diets Feline UR Urinary - Chicken has been specifically developed to help break down struvite stones and reduce rates of recurrence. Purina Pro Plan Veterinary Diets Feline UR Urinary - Chicken has urine-acidifying properties that can help to promote an optimal urine pH, which in turn reduces the risk of struvite stones and can help to dissolve existing crystals. It has a low magnesium content and can help to limit the amount of struvite in the urine. The moderate calorie content of this dietetic food helps to support weight management. Purina Pro Plan Veterinary Diets Feline UR Urinary - Chicken at a glance: Complete dietetic food for adult cats: can help to break down struvite stones and reduce cases of recurrence Low magnesium content: can help to limit the concentration of struvite stone components in the urine Urine-acidifying: supports optimum