My cat was diagnosed with pemphigus when he was about 12 months old. The vet at the university's vet school suggested switching him to a grain free food. I liked Felidae because it is made in the United States. Pemphigus is an auto-immune disorder which made my cat miserable. As long as I keep him on Felidae the symptoms seem to stay in check. Quality of Ingredients My cat does love the taste. I've recommended this cat food to friends and family, and also donate bags of it to our local shelter. I also like the fact that you can feed it to all ages of cats. Kittens can eat it, and seniors. Sometimes I think all the different varieties that other cat foods come in, just actually cause problems for pets. Flavor Selection Not a lot of different flavors in the dry food, but that's okay. Sometimes a lot of different ingredients is actually what causes health problems in pets. They do make a canned food, if you want to use that.