Mastic Gum
Product
A tree sap that can be chewed to strengthen jaw muscles, but should not be overused to avoid jaw problems.
Mentioned in 2 videos
Videos Mentioning Mastic Gum

How to Improve Your Teeth & Oral Microbiome for Brain & Body Health | Dr. Staci Whitman
Andrew Huberman
A tree sap that can be chewed to strengthen jaw muscles, but should not be overused to avoid jaw problems.

How to Improve Oral Health & Its Critical Role in Brain & Body Health
Andrew Huberman
A very thick gum, originally used for strengthening the jaw, that dentists recommend avoiding if one has metal fillings to prevent mercury liberation.