Astkatta Snackats - Pure Tuna (14gx4)Suitable For Adult Cats Strengthen Immune System Formula Our Fresh Tuna from Atlantic Ocean non polluted. It provided rich DHA & EPA for Cats. Complement of Vitamin B Mixed, helps body's cell to function properly, and helps the body convert food into energy (metabolism), create new blood cells and maintain healthy skin cell, brain cells, and other body tissues. Complement of Vitamin C helps growth, development and repair of all body tissues.