Before figuring out the best hypoallergenic cat food to buy, perhaps it is important to first define what that means. Essentially, hypoallergenic foods are anything made with limited or alternative ingredients. For example, a cat food that is grain-free would be considered hypoallergenic just as a cat food that does not use chicken or soy products would be as well.
If a cat has a reaction to quite a few ingredients, it's especially crucial to pay attention to what products and additives may be substituted in when another is taken out. In general, hypoallergenic cat foods can vary in what they include and what they do not, and because of this system, pet owners are often able to find the pet food that will suit their feline's needs.