Island Nutrition, Oregano Oil Organic Liquid Drops - 100% Pure & Undiluted…
- Oregano Oil
- Liquid
- 1 fl oz
- Very strong oregano taste.
- Better rated than 64%
- More reviewed than 92%
A straightforward undiluted liquid oregano oil at a clearly stated 75 percent carvacrol, best suited to buyers who know they want the drop format.
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How it ranks among the 39 oregano oil we track
4.6★ across 3,200 Amazon ratings, Bayesian-smoothed toward the category average.
3,200 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
2,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 39 oregano oil we track - how the scorecard works · full oregano oil data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Island Nutrition's Oregano Oil is a 1-ounce bottle of liquid oregano oil drops, USDA-certified organic and grown in Spain, standardized to 75 percent carvacrol. It ships undiluted, so the label calls for measuring drops rather than pouring freely, and it fits gluten free, keto, vegan and vegetarian diets.
Carvacrol content is the number oregano oil buyers actually compare, and 75 percent sits toward the high end of what's sold as a liquid drop format rather than a diluted capsule. Because it's undiluted, the taste is sharp; the listing itself warns the flavor is a very strong oregano taste, so this isn't meant to be taken straight without dilution for most people.
- 1 fluid ounce liquid drop bottle
- 75% carvacrol, USDA-certified organic
- Grown in Spain
- Vegan, vegetarian, gluten free and keto compatible
Who it's for
Fits people already comfortable dosing concentrated herbal extracts by the drop and looking for a specific carvacrol percentage rather than a pre-diluted capsule. Not a fit for anyone who wants a neutral-tasting or capsule-based oregano oil, since this is delivered undiluted with a pronounced taste.
Strengths and trade-offs
Drawn from this product's published specifications.
- Undiluted liquid format lets you control the exact dose
- 75 percent carvacrol is clearly stated on the label
- USDA-certified organic sourcing
- Fits gluten free, keto, vegan and vegetarian diets
- Strong oregano taste by the seller's own description
- No stated serving size or dosing guidance
- Small 1-ounce bottle size
Performance notes
The drop format means dosing is manual, drop by drop, and the seller notes the oil is undiluted, which is why the flavor is described as very strong. Buyers who want a milder experience typically dilute drops in water, juice or a small amount of oil before taking them, though the listing doesn't specify a serving amount.
Specifications
| Brand | Island |
|---|---|
| Model | ORL75 |
| Form | Liquid |
| Count | 1 fl oz |
| Flavor | Very strong oregano taste. |
| Diet | Gluten Free, Keto, Plant Based, Vegan, Vegetarian |
Other Island oregano oil
How it compares
This product against the closest alternatives we track in oregano oil.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Island Nutrition, Oregano Oil Organic Liquid Drops - 100% Pure & Undiluted…This product | 4.6 / 5 | 3,200 | 4.5 / 5 |
| Micro Ingredients Oil of Oregano SoftgelsMicro | 4.6 / 5 | 24,200 | 4.6 / 5 |
| MaryRuth Organics Oregano Oil DropsMaryRuth | 4.6 / 5 | 9,600 | 4.6 / 5 |
| Nature's live Oil of Oregano with Black Seed OilNature's | 4.5 / 5 | 2,500 | 4.4 / 5 |
| Oil of Oregano with Black Seed OilOil | 4.5 / 5 | 1,900 | 4.3 / 5 |
Similar oregano oil from other brands
Questions about the Island ORL75
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is Island Nutrition's oregano oil diluted or full strength?
It's sold undiluted, which is why the listing describes the flavor as a very strong oregano taste.
What diets does this oregano oil fit?
The label lists it as gluten free, keto, plant based, vegan and vegetarian.
Where is the oregano grown?
The product is grown in Spain and carries USDA organic certification.