Steady Matcha

Bryan Johnson Blueprint vs DoMatcha

A fair, data-driven comparison. All safety data carries source, lab, and date.

Bryan Johnson Blueprint
DoMatcha

Origin

Japan
Kagoshima and Uji, Japan

Grade

ceremonial
ceremonial

Price/g

$1.10
$0.85

Transparency tier

Tier 1
Tier 3

Publishes numeric COA

COA published

Organic cert

unspecified
JAS

Lead (ppb)

98 ppb — Per Blueprint self-published COA, December 2024 (2024-12)
Not disclosed
FeatureBryan Johnson BlueprintDoMatcha
OriginJapanKagoshima and Uji, Japan
Gradeceremonialceremonial
Price/g$1.10$0.85
Transparency tierTier 1Tier 3
Publishes numeric COA
COA published
Organic certunspecifiedJAS
Lead (ppb)98 ppb — Per Blueprint self-published COA, December 2024 (2024-12)Not disclosed

Verdict

Both Bryan Johnson Blueprint and DoMatcha are legitimate matcha options. The key differentiator is transparency: Bryan Johnson Blueprint publishes a full COA with specific heavy metal values from a named, accredited lab.

All data in this comparison is sourced from publicly available COAs and third-party testing. Steady Matcha does not conduct or claim ownership of third-party test results for other brands.

Bryan Johnson Blueprint full detailsDoMatcha full detailsAll brands