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Origanum Vulgare Leaf Oil
Origanum Vulgare Leaf Oil
Low concern
Concentrated essential oil; generally recognized as safe at typical food-use levels (21 CFR 182.20). Concentrated supplement use can cause GI upset and theoretical drug interactions; not for use in pregnancy in concentrated form.
Found in
38 products
What it is
Essential oil distilled from oregano (Origanum vulgare) leaves; rich in carvacrol and thymol.
Flavoring; antimicrobial; sometimes used in supplements.
Why it's flagged
- GI irritation at high doses
- pregnancy caution (concentrated)
What regulators actually say
"Essential oils, oleoresins (solvent-free), and natural extractives... origanum (Origanum spp.)... are generally recognized as safe."
Regulatory status
United States — FDA
GRAS as essential oil for food (21 CFR 182.20)
European Union — EFSA
Authorized as flavoring/food
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