Through sound scientific principles and decades of pet nutrition expertise, Nutram recipes offer all of the benefits of each whole ingredient, as nature intended. Nutram's Optimum Combinations wet recipes deliver natural solutions to enhance holistic benefits beyond wholesome nutrition. Nutram Urinary+ Cat Treats support a healthy bladder through a special combination of Cranberries and Celery Seeds. Cranberries, a natural acidifier, and Celery Seeds, an effective diuretic used to maintain healthy fluid levels, work together with proper pH and low phosphorous to support a healthy bladder.