Galangal root (Alpinia)

Tier 3 — weak evidence · Digestive · Nausea · Anti-inflammatory

A ginger relative used in Southeast Asian cooking and traditional medicine. Contains galangin and acetoxychavicol acetate with confirmed antimicrobial and anti-inflammatory activity in lab studies. Traditional use for nausea and digestive discomfort spans centuries. Very safe as food; almost no modern clinical trials for supplements.

Dose: 500–1,000 mg/day root extract or frequent use in cooking; no evidence-based supplement dose established