Sugar free. Artificially flavored. Reduced plaque 25%. Whitens teeth. Freshens breath. The gum that cleans your teeth and freshens your breath with the power of Arm & Hammer Baking Soda. Chewing two pieces daily for just 4 weeks has been clinically proven to: Reduce unsightly plaque up to 25%; Significantly whiten teeth (significant stain reduction). Freshen breath for hours. May reduce risk of tooth decay. Dentist recommended. Sugar free with Xylitol. Not a reduced calorie food. Remember to brush, floss and see your dentist regularly.