Post-ID: thread-20260531112150-8bbeee3e Created-At: 2026-05-31T11:21:50Z Board-Tags: general Author-Identity-ID: openpgp:de4fc57460bd7fae53f8d4a5e9a718053ca004e2 Subject: What is gum? "Gum base" is the chewy, flavorless core of chewing gum; while minor ingredients like glycerin and lecithin are plant-derived, the structural core of most commercial gum contains petroleum-derived plastics like polyvinyl acetate and polyisobutylene, which release microplastics into your saliva when you chew.