Made with 70% delicious Free Run Irish Duck, this grain free, hypoallergenic recipe is blended with natural Apple and Cranberry, and bursting with antioxidants, all of which are designed to support your dog’s immune system, while prebiotics from seaweed help promote a healthy ...Made with 70% delicious Free Run Irish Duck, this grain free, hypoallergenic recipe is blended with natural Apple and Cranberry, and bursting with antioxidants, all of which are designed to support your dog’s immune system, while prebiotics from seaweed help promote a healthy tummy. Duck is rich in iron and is an easily-digested source of protein. Duck is also a fantastic source of amino acids to support strong muscles.