Botanical

Oregano Oil

Also known as: Oil of oregano, Oregano essential oil, Carvacrol

Evidence

Potent antimicrobial herb with carvacrol and thymol compounds effective against bacteria, fungi, and some viruses.

Primary uses

Antimicrobial
Antifungal
Respiratory support
Immune support

How it works

Carvacrol disrupts microbial membranes
Thymol adds antimicrobial action
Antioxidant effects
May have antiviral activity

Dosage

Typical range: 100-200mg standardized to 60-80% carvacrol, 1-3x daily
Timing: With food
With food: Yes, reduces GI burn
Duration: Short-term use (2-6 weeks)
Special populations: Those with suspected microbial issues

Forms

Enteric-coated capsules
Liquid drops
Softgels

Safety

Common side effects

GI burning/upset
Heartburn
Nausea

Contraindications

Pregnancy
Allergy to Lamiaceae family
GERD

Evidence notes

In vitro evidence strong, clinical limited

Grade B: Some human trials support key claims; further confirmation needed.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.