Exclusively for cats, tailor-made, precise nutrition. Three-in-one golden ratio to fully activate immunity. 12 kinds of essential vitamins, multi-effect or all-round strengthening of the immune system, enhancing resistance, supplementing vitamin E, anti-oxidation, and protecting cells! Yeast β-glucan is a natural immune enhancer that activates immune cells. Food grade flaxseed oil is liquid gold, which can remove harmful substances and restore immune function.