Milk Bone is a line of dog treats. Among the variety of treats are on-the-go trail mix blends that mix beef and sweet potatoes. Another line is made to act as a form of dental hygiene. Their treats contain no artificial preservatives or flavors and no corn. Corn has a high glycemic index and is believed by some groups to be unhealthy for dogs. Cornmeal has a 69 on the glycemic index, which means it raises blood sugar in dogs 69 times more than meat or chicken, which have a rate of 0 on the glycemic index. Milk Bone treats are widely available online and in stores including PetSmart, Walmart, Target and Amazon. Save on soft and chewy treats, crunchy and chewy treats and biscuits.