Plant MedicineOregano
Oregano
Origanum vulgare
Family: Lamiaceae
At a glance
Best for: Antimicrobial, Antifungal, Antioxidant
Common forms: Culinary, Essential oil, Capsule
Evidence level: Traditional-only/Early
Cautions: Oil of oregano—use diluted; Pregnancy—Avoid high doses
What it is
Oregano is an aromatic herb central to Mediterranean cuisine. Oil of oregano is prized for its high carvacrol content and antimicrobial properties.
Traditional use
Used in Mediterranean traditional medicine for respiratory and digestive infections, and as a preservative due to its antimicrobial properties.
What modern research suggests (Traditional-only/Early)
Carvacrol shows strong antimicrobial and antifungal effects in laboratory studies. Human clinical evidence is more limited.
Safety + interactions
Safe as a culinary herb. Oil of oregano is concentrated—dilute before use. May affect thyroid function. Avoid medicinal doses during pregnancy.
May interact with: Blood thinners
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Disclaimer: This content is educational and not medical advice. Always consult a qualified healthcare provider before using any herbs or supplements, especially if you are pregnant, nursing, taking medications, or have a medical condition.