CB12 Boost Chewing Gum is a sugar-free chewing gum with a patented technology and double action effect: Simultaneously providing a cool minty flavour and preventing unpleasant breath with zinc acetate, the active ingredient of CB12. CB12 boost immediately freshens the breath. It elevates acid neutralisation and increases oral health with its plaque inhibiting and anti-cavity effect. You can take CB12 boost whenever and wherever you need it. Pack contains: x10 chewing gum. Add 1 to your basket to receive 3.