Steady Matcha

Just Matcha Tea Shop vs Marukyu-Koyamaen

Just Matcha Tea Shop and Marukyu-Koyamaen both source their matcha from Uji, Japan, making origin a neutral factor in this 2026 comparison.

Verified using public brand and product information.Last verified: Just Matcha Tea Shop Date unknown, Marukyu-Koyamaen June 24, 2026.
View Just Matcha Tea ShopView Marukyu-Koyamaen

At a Glance

Just Matcha Tea Shop

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Origin
Uji, Japan
Grade
Ceremonial
Price per gram
Price not available
Organic
ORGANIC
Testing
No public testing information found

Marukyu-Koyamaen

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Origin
Uji, Japan
Grade
Ceremonial
Price per gram
$1.13/g
Organic
Not certified
Testing
No public testing information found
Last verified
June 24, 2026

Key Differences

Price per gram

Not enough information

Just Matcha Tea Shop

Price not available

Marukyu-Koyamaen

$1.13/g

Marukyu-Koyamaen has published pricing. No pricing information is available for Just Matcha Tea Shop.

Organic certification

Certified

Just Matcha Tea Shop

ORGANIC

Marukyu-Koyamaen

Not certified

Just Matcha Tea Shop holds organic certification. Marukyu-Koyamaen does not have a publicly confirmed organic certification.

Testing transparency

More transparent

Just Matcha Tea Shop

No public testing information found

Marukyu-Koyamaen

No public testing information found

Marukyu-Koyamaen discloses more testing information. Lower transparency tier means more public disclosure.

Which Should You Choose?

Choose Just Matcha Tea Shop if:

  • Organic certification matters to you

Choose Marukyu-Koyamaen if:

  • You want visible price-per-gram information
  • Testing transparency is important to you

Either may work if:

  • Your main priority is Uji origin

Heavy Metal Testing

Just Matcha Tea Shop

No published numeric heavy metal results found.

Marukyu-Koyamaen

No published numeric heavy metal results found.

Last checked June 24, 2026.

Source: brand-published COAs and independent test results. Values are from specific batches and dates. The absence of published data does not indicate safety or danger. Last verified: Just Matcha Tea Shop Date unknown, Marukyu-Koyamaen June 24, 2026.

Full Comparison

AttributeJust Matcha Tea ShopMarukyu-Koyamaen
Origin and Production
Origin
Uji, JapanUji, Japan
Grade
CeremonialCeremonial
Country
JapanJapan
Region
UjiUji
Price and Value
Price per gram?
--$1.13/g
Price as of
--2026-06
Organic Certification
Organic status
ORGANIC--
Testing and Transparency
Testing transparency
----
Publishes numeric lab results
----
Third-party testing disclosed
----
Pesticide testing
----
Published lead test result
No published results found (checked Date unknown)No published results found (checked June 24, 2026)
Published cadmium test result
No published results found (checked Date unknown)No published results found (checked June 24, 2026)
Published arsenic test result
No published results found (checked Date unknown)No published results found (checked June 24, 2026)
Published mercury test result
No published results found (checked Date unknown)No published results found (checked June 24, 2026)
Last verified
Date unknownJune 24, 2026

Frequently Asked Questions

What is the price of Just Matcha Tea Shop vs Marukyu-Koyamaen?

Marukyu-Koyamaen is priced at $1.13/g. Just Matcha Tea Shop does not have a published price per gram available.

Does Just Matcha Tea Shop publish lab results?

No public testing statement or COA has been found for Just Matcha Tea Shop as of date unknown.

Does Marukyu-Koyamaen publish lab results?

No public testing statement or COA has been found for Marukyu-Koyamaen as of June 24, 2026.

Is Just Matcha Tea Shop or Marukyu-Koyamaen organic?

Just Matcha Tea Shop holds ORGANIC certification. Marukyu-Koyamaen does not have a publicly confirmed organic certification as of the last verification date.

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All data in this comparison is sourced from publicly available COAs, brand websites, and independent test results. Every safety data point carries its source and last-verified date. Steady Matcha does not conduct or claim ownership of third-party test results for other brands. Brand information changes: verify current status before purchasing.