You must be doing the basics- brushing, rinsing, and tongue scraping in order to prevent bad breath. Containing rinse, gel, and tongue scraper - this Basic Starter Kit will get you started on the path to fresh breath.
Bad Breath is caused by a group of Anaerobic Sulfur-Producing Bacteria which breed WITHIN the tongue's surface and throat. Bad Breath DOES NOT come from the digestive system.