I use a prescription food for all 3 of mine and purchase it from my vet. I've had discussions with my vet regarding raw, home cooking, RX foods and LI foods over the years. The RX food is actually less expensive at my vet than I can buy it at the locate vet stores or even online.
__________________ “Never argue with a fool, onlookers may not be able to tell the difference.” Mark Twain |