Bryan Johnson Blueprint vs Marukyu-Koyamaen

This 2026 comparison covers Bryan Johnson Blueprint and Marukyu-Koyamaen across price, testing transparency, heavy metal disclosure, and organic certification. Bryan Johnson Blueprint publishes a numeric Certificate of Analysis with specific ppb values from a named lab. Marukyu-Koyamaen has not published equivalent numeric results as of the last verification date. Both brands are priced within 5% of each other per gram, so price is not a meaningful differentiator here.

Verified using public brand and product information.Last verified: Bryan Johnson Blueprint June 21, 2026, Marukyu-Koyamaen June 24, 2026.

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At a Glance

Bryan Johnson Blueprint

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Origin: Not disclosed
Grade: Ceremonial
Price per gram: $1.10/g
Organic: Not certified
Testing: Publishes numeric lab results
Last verified: June 21, 2026

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

Origin

Not enough information

Bryan Johnson Blueprint

Not disclosed

Marukyu-Koyamaen

Uji, Japan

Marukyu-Koyamaen discloses its origin. The other brand has not publicly disclosed its leaf origin.

Testing transparency

More transparent

Bryan Johnson Blueprint

Publishes numeric lab results

Marukyu-Koyamaen

No public testing information found

Bryan Johnson Blueprint discloses more testing information. Lower transparency tier means more public disclosure.

Which Should You Choose?

Choose Bryan Johnson Blueprint if:

Testing transparency is important to you
You want to see published numeric lab results

Heavy Metal Testing

Bryan Johnson Blueprint

Numeric heavy metal results are publicly available.

Last checked June 21, 2026.

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: Bryan Johnson Blueprint June 21, 2026, Marukyu-Koyamaen June 24, 2026.

Full Comparison

Highlight differences onlyShow unavailable fields

Attribute	Bryan Johnson Blueprint	Marukyu-Koyamaen
Origin and Production
Origin	--	Uji, Japan
Grade	Ceremonial	Ceremonial
Country	--	Japan
Region	--	Uji
Price and Value
Price per gram?	$1.10/g	$1.13/g
Price as of	2026-06	2026-06
Testing and Transparency
Testing transparency	Publishes numeric lab results	--
Publishes numeric lab results	Yes	--
Third-party testing disclosed	Yes	--
Pesticide testing	--	--
Published lead test result	98 ppb	No published results found (checked June 24, 2026)
Published cadmium test result	17 ppb	No published results found (checked June 24, 2026)
Published arsenic test result	18 ppb	No published results found (checked June 24, 2026)
Published mercury test result	4 ppb	No published results found (checked June 24, 2026)
Last verified	June 21, 2026	June 24, 2026

1 field with no available data are hidden.

Frequently Asked Questions

Is Bryan Johnson Blueprint or Marukyu-Koyamaen cheaper?

Bryan Johnson Blueprint is cheaper at $1.10/g vs $1.13/g per gram, a difference of $0.03/g. Prices verified as of 2026-06.

Does Bryan Johnson Blueprint publish lab results?

Yes. Bryan Johnson Blueprint publishes a numeric Certificate of Analysis with specific ppb values from a named accredited lab. Verified June 21, 2026.

Does Marukyu-Koyamaen publish lab results?

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

Which is third-party tested: Bryan Johnson Blueprint or Marukyu-Koyamaen?

Bryan Johnson Blueprint is third-party tested. Marukyu-Koyamaen does not have a confirmed third-party testing status as of the last verification date.

Is Bryan Johnson Blueprint or Marukyu-Koyamaen organic?

Marukyu-Koyamaen holds None certification. Bryan Johnson Blueprint does not have a publicly confirmed organic certification as of the last verification date.

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Brands with published COA Most transparent brands Brands by origin Steady batch COA

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.