Healthy Nourishment to Stay Strong and Active Iams provides the wholesome, nutrient-rich goodness your cat needs to stay strong and active. Iams ProActive Health with Chicken helps maintain lean muscles and a healthy weight by providing the right amount of choice chicken baked into crunchy kibbles that keep teeth clean, tartar-free. It's also fortified with minerals for strong bones, taurine for healthy heart and eyes and rich in fish oils for a sleek, shiny coat. Plus, it has a gentle fiber to support your cat's ability to absorb nutrients.