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HerbPreliminary Evidence

Oregano Oil

Origanum vulgare

A potent antimicrobial oil with carvacrol and thymol studied for gut dysbiosis, SIBO, and systemic immune support. Used as a natural antimicrobial in functional medicine.

Known Health Benefits

Antimicrobial and antifungal
SIBO and gut dysbiosis support
Immune support
Antioxidant activity

Active Compounds

Carvacrol, thymol, terpinene, rosmarinic acid, flavonoids

Dosage Guidance

200–600 mg emulsified capsule daily (not neat essential oil)

Always consult a healthcare provider for personalized dosing.

Potential Side Effects

GI burning if not properly formulated; may alter gut flora — use probiotics alongside

Known Drug Interactions

May interact with blood thinners and cyclosporine

Evidence Classification

Preliminary Evidence

Based on in vitro studies, animal models, pilot trials, or traditional use documentation. Clinical evidence is limited.

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This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.