Oil of Oregano (Carvacrol)
Immunity & respiratoryFunction & benefits
An essential oil rich in carvacrol and thymol; a comprehensive review describes its antioxidant and antimicrobial properties in laboratory studies, and it is traditionally used for short periods to support throat and digestive comfort in the cold season, although human evidence is still limited.
Dosage & how to use
| Recommended dose | 100–200 mg of oil in a diluted capsule |
| Best time to take | With a main meal |
| Frequency | 1–2 times daily for no longer than 10–14 days |
Best forms to choose
Capsules of oregano oil diluted in olive oil, standardised to 70–80% carvacrol; never drink the concentrated oil neat.
Important warnings
Not for use during pregnancy, breastfeeding or in children
Do not use it continuously for more than 10–14 days
Avoid it if you are allergic to the mint family (mint, basil, thyme)
Drug interactions
It may strengthen blood thinners and diabetes medication and may reduce iron absorption, so take it two hours apart from iron supplements.
Related supplements
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Scientific references
- Sharifi-Rad M et al. Phytother Res 2018 (review) — PMID: 29744941
Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)
⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.