IAMS knows that each cat is different. That?s why our range of recipes has been specifically tailored to your cat?s needs and life stages. Keep your cats at their best with IAMS PROACTIVE HEALTH Adult Urinary Tract Health Dry Cat Food with Chicken. Perfect for outdoor or indoor cats, this formula helps reduce the pH in cat urine to promote urinary tract health. Chicken is the #1 ingredient in this protein-rich cat kibble formula. Plus, it includes vitamin E to maintain a healthy feline immune system, as well as essential nutrients, like calcium and potassium, for a healthy heart. Chicken is the 1st ingredient in this high-quality protein dry cat food to help support strong muscles|Formulated to reduce urinary pH and promote the health of the urinary system for a happy and healthy cat|Helps maintain soft, shiny coats with optimal omega-6 and -3 fatty acid ratio|Helps promote heart health with essential nutrients including calcium and potassium