Iams Cat Adult Weight Control. Developed a provide a complete and balanced food, helping to keep your cat happy and healthy. The light calorie kibble is great for overweight cats or less active cats. Iams cat food is filled with seven essential nutrients, keeping your cats heart healthy. Extra antioxidants are also added to help support the immune system. Full of flavour, the crunchy kibble also gives dental support, keeping teeth clean of tartar and plaque.