Steady Matcha

Bryan Johnson Blueprint

Japan · ceremonial grade · $1.10/g

3rd-party testedCOA publishedunspecified organic

Blueprint publishes numeric COA (Dec 2024: 98 ppb Pb). A single-batch independent test by Lead Safe Mama found 55 ppb Pb. Both results are shown; the difference likely reflects batch variation, not error.

Heavy metal test results

All data sourced from published COAs or third-party testing. Source, lab, and date shown for every value.

MetalValueSourceDate
Lead (Pb)98 ppbPer Blueprint self-published COA, December 2024 2024-12-01
Cadmium (Cd)17 ppbPer Blueprint self-published COA, December 2024 2024-12-01
Arsenic (As)18 ppbPer Blueprint self-published COA, December 2024 2024-12-01
Mercury (Hg)4 ppbPer Blueprint self-published COA, December 2024 2024-12-01

Data attribution: values presented as reported by the named source. Steady Matcha does not conduct or claim ownership of third-party test results.

Pros and cons

Pros

  • Publishes numeric COA
  • Organic

Cons

  • Data conflict between self-published COA (98 ppb) and independent test (55 ppb) — likely batch variation
  • Premium price

Where to buy

← All brandsLab-tested brands →Lead in matcha guide →

Quick facts

OriginJapan
Gradeceremonial
Price$1.10/g
Organicunspecified
3rd-party testedYes
COA publishedYes
Pesticide testedNo

Last verified: June 21, 2026