Iams ProActive Health Urinary Tract Health with Chicken cat food is formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for adult maintenance. Helps support urinary system health by reducing urinary pH. Iams™ Urinary Tract Health helps promote the health of the urinary system, by reducing urinary pH, to keep your cat healthy & happy. Reduces urinary pH for a healthy urinary tract every day.