Sweet potatoes are one of the best dietary sources of vitamin A, which promotes healthy skin, coat, eyes, nerves, and muscles in dogs. Sweet potatoes are also a rich source of vitamins A, C, B6, potassium, calcium, and iron. They possess 150% more antioxidants than blueberries and contain a healthy dose of beta-carotene. In the chew form, they are great to keep your dog occupied and reduce boredom while improving their overall health. These chews are both vegan and vegetarian.