Hill’s Science Diet Perfect Digestion is a Delicious food provides balanced nutrition for overall wellness to help your pet age 7+ feel their best. Contains ActivBiome+ Hills exclusive breakthrough blend of prebiotics, & whole grain oats and pumpkin. Prebiotics are nutrients that feed the billions of microbes in the gut microbiome that are necessary for good health. This recipe provides balanced nutrition and minerals for vital organ health. Supports graceful aging in cats to help your pet feel their best in the golden years 3.5 lbs