Also known as: Oil of oregano, Oregano essential oil, Carvacrol
Potent antimicrobial herb with carvacrol and thymol compounds effective against bacteria, fungi, and some viruses.
Short-term use (2-6 weeks)
Those with suspected microbial issues
We haven’t curated landmark studies for Oregano Oilyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
In vitro evidence strong, clinical limited
Avoid - may be uterine stimulant
Monitor with prolonged use
Other ingredients in the Botanical category.
Formulate Research Team. (2026, September). Oregano Oil — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/oregano-oil
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.