Cb12 boost is a brand new patented chewing gum from the developers of cb12 mouth rinse the safe breath solution that lasts for 12 hourscb12 boost is a sugar45free two45layer chewing gum with triple action it contains zinc to prevent bad breath xylitol to reduce plaque and sodium fluoride to strengthen teeth and prevent caries it prevents halitosis and provides instant breath freshness when it is most needed the unique combination of active ingredients protects users while of