Royal Canin Veterinary Diet Cardiac Dog is for the nutritional management of: Class I-II Cardiac Disease Asymptomatic dogs with heart murmurs or cardiomegaly (with or without concurrent cardiac medications) Dogs with mild signs of congestive heart failure (clinical signs of coughing or dyspnea) Puppies diagnosed with heart disease Adult dog breeds at risk for cardiac disease Key Benefits: Polyphenols contribute to vasodilatation & help neutralise free radicals. The Cardiac diet has a moderate phosphorus content taking into account the associated risk of chronic renal failure. Sodium restriction helps reduce workload on the heart. Potassium & magnesium levels are adapted to optimum clinical levels. Taurine & L-carnitine are essential for myocyte function & they also help maintain heart contractility. Click here to check your dogs body condition Veterinary diets are formulated for the nutritional support of dogs with specific clinical conditions & are recommended to be used under veterinary advice. For more information on feeding Early Cardiac to your dog, please consult your veterinary surgeon