Hills prescription diet feline rd is created for the nutritional weight management in cats who may be overweight it is low in calories and fat to promote weight loss and is high in fibre to keep your cat feeling fuller and satisfied for longer while they lose weight it is rich in l carnitine to help to burn fat and maintain lean muscle mass and contains high quality ingredients for a great taste almost 50 of the pet popular is classed as overweight and even the slightest extra weight can le