In Clover Spry Respiratory & Ocular Support Cat Chews, (2 Pack of 2.1 oz.) Spry fortifies the immune system to help your cat stay vibrant through each of its nine lives. Respiratory and ocular factors can impact the way your cat ages. Regular use of Spry provides L-Lysine, Superfood Blueberries, Sweet Potatoes and Prebiotics which support immunity and overall health. Grain Free, No Sugar, Free of Wheat, Corn and Soy.