The liver is your cat's largest internal organ with many functions, including digestion and conversion of nutrients, removal of toxic substances from the blood, and storage of vitamins and minerals. The liver has an amazing ability to repair and regenerate and nutrition plays a vital role in this process.Hill nutritionists and veterinarians have developed the Prescription Diet® l / d®, a clinical diet specifically designed to support your cat's liver health. In fact, l / d is formulated to help protect vital liver function. Hill's Kiney Care k / d food helps longevity and significantly improves the quality of life in cats with kidney problems, providing a reduction in the progression and level of symptoms.Ingredients: Corn milk, chicken and turkey, animal fat, corn gluten must, egg powder, ground rice, flaxseed, dried beet pulp, hydrolyzed protein, potassium chloride, L-carnitine supplement, cellulite D, vitamins and minerals.Detailed Ingredients: Protein: 29.1%, Fat content: 21.3%, Crude fiber: 1.8%, Crude ash: 5.3%, Calcium: 0.83%, Phosphorus: 0.64%, Sodium: 0.78%, Potassium: : 0.08%.Additives (per kg): Vitamin A: 202192 IU, Vitamin D3: 1297 IU, Vitamin D3: 1314 IU, Iron: 29.1mg, Iodine: 1.8mg, Copper: 31.8mg, Magnesium: 7.7mg, Zinc: 20 : 0.3mg.