Steady Matcha
500 Tins · Ships Sep 2026

Bryan Johnson Blueprint vs Matcha Karu Matcha: 2026 Comparison

This 2026 comparison covers Bryan Johnson Blueprint and Matcha Karu 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. Matcha Karu has not published equivalent numeric results as of the last verification date.

VerdictSpec tableHeavy metalsPriceFAQ

Verdict by Axis

No single overall winner is declared. The better choice depends on which axis matters most to you.

Price per gram

Tie / indeterminate

Only Bryan Johnson Blueprint has a published price ($1.10/g). Cannot compare.

Testing transparency

Bryan Johnson Blueprint

Bryan Johnson Blueprint is Tier 1 vs Unrated for Matcha Karu. Lower tier number means more disclosure.

Published lead level

Tie / indeterminate

Bryan Johnson Blueprint publishes a lead value (98 ppb). Matcha Karu has not published a numeric lead value. Cannot compare directly.

Origin

Tie / indeterminate

One or both brands have not publicly disclosed their leaf origin region.

Organic certification

Matcha Karu

Matcha Karu holds ORGANIC certification. Bryan Johnson Blueprint does not have a publicly confirmed organic certification.

Side-by-Side Spec Table

FieldBryan Johnson BlueprintMatcha Karu
OriginNot disclosedJapan
GradeCeremonialPremium
Price per gram$1.10/gNot available
Transparency tierTier 1--
Publishes numeric COAYesBetterNo
Third-party testedYesBetterNo
Organic certificationNoneORGANIC
Lead (published)98 ppbNot publicly published (checked date unknown)
Cadmium (published)17 ppbNot publicly published (checked date unknown)
Arsenic (published)18 ppbNot publicly published (checked date unknown)
Mercury (published)4 ppbNot publicly published (checked date unknown)
Pesticide testedNoNo
Last verifiedJune 21, 2026date unknown
Bryan Johnson Blueprint
Matcha Karu

Origin

Not disclosed
Japan

Grade

Ceremonial
Premium

Price per gram

$1.10/g
Not available

Transparency tier

Tier 1
--

Publishes numeric COA

Yes
No

Third-party tested

Yes
No

Organic certification

None
ORGANIC

Lead (published)

98 ppb
Not publicly published (checked date unknown)

Cadmium (published)

17 ppb
Not publicly published (checked date unknown)

Arsenic (published)

18 ppb
Not publicly published (checked date unknown)

Mercury (published)

4 ppb
Not publicly published (checked date unknown)

Pesticide tested

No
No

Last verified

June 21, 2026
date unknown

Heavy Metals and Safety Disclosure

Bryan Johnson Blueprint reports a lead level of 98 ppb (verified June 21, 2026). Matcha Karu has not published a numeric lead value (checked date unknown). Without a published value from Matcha Karu, a direct comparison is not possible. The absence of published data does not indicate safety or danger.

MetalBryan Johnson BlueprintMatcha Karu
Lead98 ppbNot publicly published (checked date unknown)
Cadmium17 ppbNot publicly published (checked date unknown)
Arsenic18 ppbNot publicly published (checked date unknown)
Mercury4 ppbNot publicly published (checked date unknown)

Source: brand-published COAs and independent test results. Values are from specific batches and dates. Absence of published data does not indicate safety or danger. Last verified: Bryan Johnson Blueprint June 21, 2026, Matcha Karu date unknown.

Price Comparison

Matcha Karu does not have a published price per gram. Bryan Johnson Blueprint is priced at $1.10/g (as of 2026-06).

Detailed Analysis

Testing Transparency

Bryan Johnson Blueprint publishes a numeric COA with specific ppb values from a named accredited lab. Matcha Karu has not published equivalent numeric results. No public testing statement has been found for Matcha Karu as of the last verification date.

Origin and Sourcing

Matcha Karu sources from Japan. Bryan Johnson Blueprint has not publicly disclosed a specific leaf origin region. Origin cannot be fully compared.

Which Should You Buy?

If testing transparency is your priority: Bryan Johnson Blueprint (Tier 1) discloses more than Matcha Karu (Unrated). If organic certification matters to you: Matcha Karu holds ORGANIC certification. Bryan Johnson Blueprint does not have a publicly confirmed organic certification.

Frequently Asked Questions

What is the price of Bryan Johnson Blueprint vs Matcha Karu?

Bryan Johnson Blueprint is priced at $1.10/g. Matcha Karu does not have a published price per gram available.

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 Matcha Karu publish lab results?

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

Which is third-party tested: Bryan Johnson Blueprint or Matcha Karu?

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

Is Bryan Johnson Blueprint or Matcha Karu organic?

Matcha Karu holds ORGANIC certification. Bryan Johnson Blueprint does not have a publicly confirmed organic certification as of the last verification date.

Bryan Johnson Blueprint full profileMatcha Karu full profileBryan Johnson Blueprint alternativesMatcha Karu alternativesAll brandsAll comparisons

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Brands with published COAMost transparent brandsBrands by originSteady 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.