Formulated to support the health and well-being of your indoor cat, BLUE for cats starts with delicious deboned chicken and is packed with wholesome whole grains and garden vegetables. and LifeSource Bits are cold-formed to help retain the potency of their ingredients. This means that we minimize the amount of heat that LifeSource Bits are exposed to during the manufacturing process. It's the same concept as when you cook vegetables at high heat - the longer you do, the more heat-sensitive nutrients are lost.