Rena's Kitty Licks Tuna is a delectable treat for every adult cat. It contains tuna and is high in fiber, which helps the digestive system. Taurines, which are found in Rena's Kitty Licks Tuna with Scallop, help with vision. It contains Omega 6, Zinc, and DL-Methionine, which help to improve the skin and coat.