Hills Sterilized Dry Cat Food with Salmon Features: Sterilized cats have special nutritional needs throughout their lives. That's why Hills Scientific Plan has been formulated to maintain health in your cat's stages of diet for the long term. High levels of carnitine to ensure the health of cats. Mineral levels and pH that support kidney function are controlled in a healthy urinary system, especially in elderly cats. Adorned with our organic and controlled calorie levels Which helps cats prevent fat storage in their bodies. Antioxidants like Vitamin E and C help neutralize age-based free radicals and support the immune system. the components: Corn, fish at least 32%, animal fat, flour, starch, fish oil, protein hydrolysate, potassium chloride, sodium chloride, calcium carbonate, vitamins and trace elements. Natural preservatives: tocopherol, citric acid and rosemary extract