Micah was on Prescription Science Diet from March to July. He REALLY liked all three he had to be on...but it was doing more harm than good. Mind you, this was ONLY in Micah's case as he has IBD. Normally, I'd imagine it'd help cats that needed the things the food was made to do.

I feed the others Royal Canin because its natural and they use human-grade products. Our cats LOVE it and they are all at a perfect wieght (except for Livvy [she came like that], who is on the Lite form of the food...). It was recommended and it works for us.

I think your cats would like SD....it seems to be high quality and well recommended. At my work, its the only type of food they stock and feed the animals there.