ROYAL CANIN Cardiac is specially designed to support your cat's heart health. This diet's formula is unique and rich in Vitamin E, Vitamin C, taurine, and omega-3 fatty acids (EPA + DHA) to support heart function. The limited sodium level helps reduce the burden on the heart and support its function in cases of chronic heart failure. This diet is designed to meet the needs of neutered cats with urinary sensitivity. As part of the ROYAL CANIN® Veterinary range, it is important that this product is given to your pet only upon recommendation by a veterinary professional. The transition from one diet to another should be smooth and gradual over a period of 7 to 10 days. Please ensure to follow the correct feeding amount, especially when feeding it alongside other types of Food.