Iams Indoor Weight Control and Hairball Care helps maintain a healthy weight with fat metabolizing L-Carnitine and minimizes hairballs with a targeted fiber system keeping your cat ready to pounce.Tailored fiber blend, including prebiotics and beet pulp to support your cat’s digestive health. Vitamin-rich fish oil for healthy skin and coat. Proprietary fiber blend, including beet pulp to help reduce hairballs. Formulated with L-Carnitine to help gradually return your cat to a healthier weight. 10-Percent less fat vs. Iams Original with Chicken.