We use superior science to make smarter formulas like Mastic Gum that provides resin sourced from the mastic tree grown mainly in Greece and Turkey. Composed of a resinous exudate, which provides essential oils. Mastic gum has been used for more than 2,500 years. Mastic Gum supports the health of the gastric and duodenal cells and tissues to promote gastrointestinal health.* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.