Royal Canin Vital Cardiac Wet Dog Food is specially formulated to support heart function in chronic heart failure.It contains nutrients that can help maintain the function of the heart muscle. It also contains EPA+DHA - long-chain omega-3 fatty acids that help support cardiovascular function. The feed also contains a limited amount of sodium, which helps to reduce the workload of the heart. Recommendation: a veterinarian should be consulted before use and before extending the duration of use. Use the feed initially for up to 6 months.Facts about Royal Canin Vital Cardiac Wet Dog Food:Dietary wet food for dogs. Developed to support heart function in chronic heart failure. Nutrients that help maintain the function of the heart muscle. Contains EPA+DHA. Limited sodium content- reduces the workload of the heart.