All of the foods listed in ConsumerSearch Fast Answers have healthy amounts of meat. Moderate magnesium levels. Again, all of our Fast Answers have moderate magnesium levels. Lack of color dyes. There's no proof that dyes are unhealthy for cats, but they can stain your rug when kitty vomits up his latest hairball.
Opinions differ on the importance of palatability.
It's important that your cat finds her food tasty, or else she may not eat enough. Savvy pet owners feed their cats what's healthy, and don't allow themselves to be trained by their pets to deliver kitty junk food on demand. In other words, your kitty won't starve if you don't cave in to his demands. At the lower end of the dry food price spectrum are supermarket brands like Friskies, Fancy Feast and Whiskas. Consumers posting to Usenet discussion groups rave about how their cats gobble up these products, and Friskies and Whiskas score well with both professional reviewers and consumers with hungry cats.