Hills prescription diet canine rd is great for your dog if you are looking for an easy and enjoyable way to manage their weight as this recipe is low in calories but still delicious so they will enjoy their dinner each and everyday it is high in fibre which will leave them feeling fuller for longer and rich in l carnitine to help burn fat and increase muscle during weight losshills is also packed with antioxidants to help them maintain a strong immune system help your pet lose weight quickly