What is cb12 boost gum 10s? Cb12 boost is a unique, sugar free chewing gum with patented technology and double action. Cb12 boost simultaneously provides a cool minty flavour and prevents bad breath. Use cb12 boost when necessary during the day as a complement to cb12 mouthwash. Its perfect for instantly refreshing your breath and convenient to carry in your pocket or bag. Key features of cb12 boost gum 10s contains zinc for reducing the volatile sulphur gases vscs that cause bad breath contains fluoride that contributes to the maintenance of tooth mineralisation. Contains xylitol for inhibiting plaque growth. Strong mint flavour sugar free