Duck & OrangeGrain Free Duck & Orange with Sweet Potato Duck: High in antioxidants like iron, zinc and selenium. Iron helps your dog produce red blood cells, while zinc is essential for over 300 bodily processes, including cell division, immune response, and cognitive function. Selenium also offers many benefits for dogs, ranging from a healthy coat to improved joint health. B vitamins which will improve your dog's quality of life and keep them healthy in later