Sugar-free chewing gum contributes to the neutralisation of plaque acids. A correct healthy lifestyle and a varied diet are important. Chew for at least 20 minutes after eating or drinking. Mentos Spearmint Sugar Free Gum is a refreshing chewing gum available in a handy on the go bottle.. Sugar free chewing gum. 40 pieces. Spearmint flavour. Tooth Friendly. Suitable for Vegetarians & Vegans. Mentos.