Overview
Carvacrol-rich essential oil with broad antimicrobial activity (in vitro).
- Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
- Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
- Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
Carvacrol disrupts microbial membranes.
- · Carvacrol disrupts microbial membranes
Effects on the body
Organ system effects
Evidence-based benefits
In vitro antimicrobial
Limited evidencePotential side effects
- · Heartburn
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Oil of Oregano — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Oil of Oregano third party tested NSF
CapsulesPre-measured Oil of Oregano capsules — easiest for travel and consistent daily dosing without scoops or scales.Oil of Oregano capsules
PowderBulk unflavored Oil of Oregano powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Oil of Oregano powder unflavored
Best sellersMost-purchased Oil of Oregano products on Amazon — a quick way to see what's reviewed widely before you commit.Oil of Oregano best sellerScientific evidence8Show studiesHide studies
Origanum vulgare essential oil and antimicrobial activity
Leyva-López N, et al.
Review of oregano oil's antimicrobial activity.
Broad-spectrum activity in vitro; limited clinical trials.
PubMed: Oil of Oregano — In vitro antimicrobial
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