Natural Balance Ultra Protein Plus Immune & Digestive Health Real Chicken with Pumpkin Puree Topper was formulated specifically for cats with their veterinary and nutrition experts to maximize protein, taste and nutrition for even the pickiest eaters. This delicious, smooth puree is made with protein-rich organs. Immune Health is supported by key nutrients Vitamin E & C, Zinc & Selenium to provide immune health support. Digestive Health is supported by prebiotic fiber and easy-to-digest, fiber-rich ingredients like pumpkin for a digestive health cat food.