food · United States

Kosterina Original Early Harvest Koroneiki EVOO

VerdictThrone Score
5.0/5
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What the full report adds
The product table, row by row
Named suppliers, where they were recorded
Certificate checks, with the source and date
The source behind each figure
What was not disclosed

Filed under

Additives Ultra Processing USA Organic Christmas Food Hampers Oils Olive Oil

About Kosterina Original Early Harvest Koroneiki EVOO

Recorded findings grouped by subject. Blue bars show field completeness, not a score. Saved statements must be read with their source dates and evidence limits.

Materials and composition

3 of 19 fields recorded
Whole food

1

Single ingredient

1

Materials used

cotton, polyester

Read recorded source

Certification

1 of 10 fields recorded
Grade / certification

Published harvest + polyphenol data per batch; organic line certified

Recorded on this listing. Not a reviewed certificate or register result.

Sourcing and supply chain

1 of 4 fields recorded
Single origin

1

Ownership and legal entity

1 of 17 fields recorded
owner name

Independent (Kosterina Corporation; founded 2016 by Katerina Mountanos)

Price and commerce

3 of 16 fields recorded
Price From

$25

Amazon/buy now

https://www.kosterina.com/products/singlebottle

Price tier

$$$

Scan result

13 of 31 fields recorded
In-scope catalogue total

89

Products read for the score

37

Products we could not read

52

Sources checked

The Throne Standard assessed 1 of 103 products (1.0%). Measured value 100.0%.

Last checked

2026-11-07T13:45:17+00:00

Clean & Safe: last checked

2026-07-28

Packaging

Widely recyclable

Packaging detail

opaque glass bottle

Packaging source: last checked

2026-07-29

Products in catalogue

88

Products read for the catalogue

88

Catalogue read %

1.0

Clean verdict

Not assessed

Identity

3 of 6 fields recorded
Company

Kosterina

Country

United States

Email

hello@kosterina.com

Further detail

33 of 93 fields recorded
NOVA processing class

1 Unprocessed / minimally processed

Read recorded source
Women-Owned

Yes

Grown In

Single origin, southern Greece

Positive note 1

Verified genuine: Single-origin early-harvest Koroneiki with per-harvest published polyphenol counts (573-663 mg/kg) and dated harvest on a transparency page

Positive note 2

Single origin, not a blend

Positive note 3

Prints a harvest/crush date

Positive note 4

High polyphenol: 573-663 mg/kg

Negative note 1

DTC/marketing-heavy; verify the harvest date on the bottle

Processing level

Minimally processed

Additives

None

Oil type

Olive

Extraction method

Cold-pressed, early harvest

First cold press

1

Unrefined

1

H3 Q1

Is Kosterina real, 100% Olive oil?

Answer 1

Partly some Kosterina products are certified organic (USDA Organic (CCOF) - Organic Everyday line only); others are not.

H3 Q2

Is Kosterina a whole food / single ingredient?

Answer 2

Yes. Kosterina is single-ingredient cold-pressed Olive oil, minimally processed with nothing added.

H3 Q3

Where is Kosterina from?

Answer 3

Kosterina is single-origin from Single origin, southern Greece.

H3 Q4

Is Kosterina cold-pressed and unrefined?

Answer 4

Kosterina is Cold-pressed, early harvest, unrefined.

H3 Q5

Is Kosterina a seed oil?

Answer 5

No. Kosterina is not a seed oil.

H3 Q6

Is Kosterina organic or tested?

Answer 6

Organic. Certifications: Published harvest + polyphenol data per batch; organic line certified.

H3 Q7

Where can I buy Kosterina and how much?

Answer 7

From $25. Ships to US.

H3 Q8

Is Kosterina worth it?

Answer 8

Kosterina is one of the genuinely verified real Olive oils, which is the main thing worth paying for given how much oil on the market is adulterated.

Harvest date shown

1

Polyphenols (mg/kg)

573-663 mg/kg

Light-protective packaging

1

Boycott lists

Is this brand named on each list? Results refer to the linked list and dated source data, including documented aliases.

BDS Movement

Checked 2026-10-03

The brand and its documented aliases are not named in this source snapshot. Parent-company links require separate evidence.

Read list evidence

Ethical Consumer

Checked 2026-10-03

The brand and its documented aliases are not named in this source snapshot. Parent-company links require separate evidence.

Read list evidence

No Thanks

No dated source record is stored for this list.

Boycat

No dated source record is stored for this list.

Who Profits

No dated source record is stored for this list.

List membership is separate from the Throne Score. A missing source dataset is not a verified No.

Represent this business? Provide missing evidence or request a correction. Source evidence and independent authority review are required.