Specially formulated to support the urinary tract purina pro plan veterinary diets feline ur st ox urinary ocean fish is a complete dry food for adult cats. The balanced formula has a delicious taste and is specifically designed to help dissolve struvite stones and reduce struvite stone recurrence. Purina pro plan veterinary diets feline ur st ox urinary ocean fish has reduced levels of magnesium. The dietetic cat food also contains ingredients with uric acidifying properties to support a urine ph level that is not favourable for urinary stones. This food has an adjusted calorie content that can help to support your cat's weight management. Purina pro plan veterinary diets feline ur st ox urinary ocean fish at a glance dietetic complete dry food for adult cats helps to dissolve struvite stones and reduce struvite stone recurrence low magnesium content reduces the building blocks for urinary stone formation, may reduce the risk of struvite stone recurrence regulates urinary environment uric acidifying ingredients help to promote optimal urine ph, can help to dissolve existing struvite stones adapted calorie content may help to support weight control source of omega 3 fatty acids very tasty delicious recipe with fish general advice it is recommended to seek the advice of a veterinarian before use or before extending the feeding period during the feeding of a dietetic food, you should take your pet to your vet for regular check ups if your pet's health deteriorates, you should seek veterinary advice immediately