During a cat's adult years, you want to feed nutrition that supports everyday health and digestion. Hill's Science Diet Indoor Adult dry cat food is specially formulated to fuel the energy needs of cats with an indoor lifestyle during the prime of their life. Made for grown cats, this pet food made with high-quality protein supports lean muscles, while natural fibers promote healthy digestion, and easier litter box clean-up. Now there is even more to love with a special blend of prebiotic fibers and antioxidants, ActivBiome+ Multi-Benefit, to support digestion, immune system and organ health.