Davids uses a small amount of Baking Soda, which works to help kill the bad bacteria in your mouth that cause odor & plaque. Used to neutralize the plaque forming acids in your mouth, remove surface stains, and whiten & polish teeth.  Baking soda can be found as a naturally occurring compound but is more frequently manufactured from other naturally derived materials. Baking soda can be produced by the reaction of carbon dioxide and soda ash, a naturally occurring mineral.