Just like us, some cats aren't at their very best when fed a grain based diet. That's why OPTIMUM have scientifically formulated a Grain Free formulation. Providing your cat a nutritionally complete and balanced food that is not only free from grains, but also high in protein with added essential vitamins and minerals. Meaning your cat can get more out of their food, to get more out of life. OPTIMUM Urinary Care is formulated with the controlled minerals to help maintain a healthy urinary tract.