No! Chewing gum doesn’t get expired. But with time, it might become hard, brittle, and less flavourful. However, sugar-free gum is enjoyed all over the world. And tree resin is the oldest form of this gum and evidence shows some around 5000 years back. Besides, the gum is recommended to be eaten within 4-6 months of their manufacturing date. The manufacturing date is printed on all sugar-free gum labels. However, in some countries, the gum doesn’t require to have an expiration date. And the reason is due to non-reactive & low moisture content in the respective gum. Thus, the gum will be safe to chew even after it loses its flavour and hard.