Oregano Oil
4 benefits mapped to clinical evidence across supplements.
Dose per serving from products
211 products in our catalogue print how much Oregano Oil a serving holds.
Most common: 25 mg to 50 mg, 26% of 211 products.
| Dose per serving | Products |
|---|---|
| 10 mg or less | 3 |
| 10 mg to 25 mg | 10 |
| 25 mg to 50 mg | 54 |
| 50 mg to 100 mg | 20 |
| 100 mg to 250 mg | 29 |
| 250 mg to 500 mg | 41 |
| 500 mg to 1 g | 17 |
| 1 g to 2.5 g | 6 |
| 2.5 g to 5 g | 1 |
| 5 g to 10 g | 30 |
Benefit Evidence
Research sources
Gut health (3)
- Use of rosemary, oregano, and a commercial blend of essential oils in broiler chickens: in vitro antimicrobial activities and effects on growth performance
PubMed ID: 22064737
Strong in vitro antibacterial activity of oregano EO and improved broiler performance when included in feed indicate pronounced antimicrobial/microbiome impacts (animal model).
- Effects of natural blend of essential oil on growth performance, blood biochemistry, cecal morphology, and carcass quality of broiler chickens
PubMed ID: 24570432
EO feed blend containing oregano increased gut villus width/surface area in broilers, a direct marker of gut morphology and function.
- Clinical and mycological evaluation of an herbal antifungal formulation in canine Malassezia dermatitis
PubMed ID: 24746728
Herbal oil mix with oregano improved yeast dermatitis and lowered recurrence in dogs compared with conventional therapy—clear microbial control in skin infections.
Wellbeing (2)
- Use of rosemary, oregano, and a commercial blend of essential oils in broiler chickens: in vitro antimicrobial activities and effects on growth performance
PubMed ID: 22064737
Oregano EO in broiler feed improved growth and feed efficiency, consistent with enhanced overall animal performance.
- Effects of natural blend of essential oil on growth performance, blood biochemistry, cecal morphology, and carcass quality of broiler chickens
PubMed ID: 24570432
Large broiler trial using a multi‑EO blend containing oregano increased growth and yield and improved gut morphology—indicative of improved overall health/performance in animals.
Blood circulation (1)
- Effect of Origanum dubium, Origanum vulgare subsp. hirtum, and Lavandula angustifolia essential oils on lipid profiles and liver biomarkers in athletes
PubMed ID: 34496170
Randomized human trial: two oregano EOs raised HDL and one reduced LDL in athletes after 2 weeks—directly relevant to lipid/circulatory risk markers.
Skin soothing (1)
- Clinical and mycological evaluation of an herbal antifungal formulation in canine Malassezia dermatitis
PubMed ID: 24746728
Topical herbal oil mix containing oregano improved canine yeast dermatitis and prevented recurrence over 6 months compared with conventional therapy—clear dermatologic benefit (multi‑EO).
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Oregano Oil
Search all525 products whose verified label declares Oregano Oil — not every bottle that mentions it in a title.
Being studied right now
Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.