Myrrh resin (Commiphora molmol)

Tier 3 — weak evidence · Antimicrobial · Oral health · Gut

A resin with confirmed antimicrobial and anti-inflammatory properties. Used in oral hygiene products for gum disease and mouth sores, with a few small trials showing plaque and gingivitis reduction. Topical oral use is better supported than oral systemic supplementation. May interact with blood thinners and diabetes medications.

Dose: 500–1,000 mg/day resin extract; topical oral use better supported than systemic supplementation