Natural healthy and incredibly delicious our indoor formula is specially formulated to meet the needs of our feline friends who spend most of their time inside. Made with only the finest ingredients, our holistic formula contains no by-products or artificial preservatives. We include LifeSource Bits that are a precise blend of nutrients and antioxidants selected to help maintain the health of your cat's immune system, help defend against the negative impact of environmental toxins and provide support for specific life stage requirements. LifeSource Bits are cold formed to help maintain the nutritional potency of their ingredients.