After one of our male cats died suddenly from a urinary tract blockage due to kidney stones, I was concerned that our other male cat might also develop that problem because of the food we were feeding. Our vet recommended UR St/Ox Feline Dry Food, telling us that it will prevent stones from forming and will dissolve any existing stones. The extra cost has to be weighed with the peace of mind that our cats are getting the best possible commercial cat food. They eat it, so the taste must be okay. They don't complain.

Pros: No Urinary Tract Problems

Cons: Expensive