food – What is an environmentally friendly alternative to bubblegum for freshening one’s breath? – GWC Mag

In North America, what is a more long-term sustainable alternative to bubblegum for freshening one’s breath?

Suppose that x and y are elements of the set of all substances edible to men, women, and children above age six.

We can write down whether or not edible substance x is more sustainable than y or y is more sustainable than x, relatively speaking.

Take y to be bubble-gum manufactured using old and outmoded production process using ingredients derived from sugar cane and rubber.

What edible substance x is more sustainable, in the long-run, than y?