The debate on whether dogs are carnivores or omnivores may still continue among dog owners, but there's no question that canines enjoy some fruits and veggies in their diet. Turning your dog into a vegetarian is almost impossible, but introducing vegan dog treats ISN'T. Best of all, pups enjoy these delicious snacks. They get a healthy infusion of their daily greens without even knowing it! And we have the best vegan dog treats on the market.