She has no known kidney issues but I thought it strange that my vet immediately had put her on the Hill's Prescription Diet KD for crf kitties(I really do hate that term "crf", by the way-they make it sound like it's terminal and my boy was diagnosed about 10 years ago cat(2)_steam (I have a gang that eat on that now including his sister, brother, mother, and father-lol).
So much for the Petinic-first ingredient is corn syrup.