Hill's Dry Cat Food Prescription Diet K/d 1.8Kr
Kidney Care 
Kidneys remove waste substances from the Blood, and maintain the normal balance of fluid and minerals within the body. Once kidney damage occurs, the consequences are usually irreversible. 
Hill's nutritionists and veterinarians developed Prescription Diet- k/d-, clinical nutrition to support your cat's kidney health. In fact, k/d is clinically tested nutrition to improve & lengthen quality of life.
How It Helps:
Protects vital kidney & heart function
Boosts vitality & energy
Supports appetite & eating enjoyment
Sustains healthy body condition
How It Works:
Targeted levels of high-quality protein
Controlled phosphorus
Low sodium
Lean muscle Support complex