Corn-free, gluten-free, vegan-certified and sugar-free, gum from XYLIChew offers a healthy way to chew gum. The product comes in flavors such as black licorice, spearmint and fruit, and is sold in different sized packages ranging from 12-piece packs to 140-piece jars. The company says the gum also contains Birch Xylitol for flavoring and to help balance pH levels in the mouth, which can protect against tooth decay.