Steady Matcha

Marukyu-Koyamaen

Uji, Japan · ceremonial grade · $1.13/g

Marukyu-Koyamaen is a prestigious Uji tea house with top-grade ceremonial matcha. No public testing statement or COA located. Premium price (Isuzu ~$1.13/g; top grades $5 to $11/g).

Heavy metal test results

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

Lead (Pb)

Not publicly disclosed

Cadmium (Cd)

Not publicly disclosed

Arsenic (As)

Not publicly disclosed

Mercury (Hg)

Not publicly disclosed

MetalValueSourceDate
Lead (Pb)Not publicly disclosed
Cadmium (Cd)Not publicly disclosed
Arsenic (As)Not publicly disclosed
Mercury (Hg)Not publicly disclosed

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

  • Prestigious Uji heritage
  • Wide range of ceremonial grades

Cons

  • No public testing statement found
  • Not organic
  • Premium price

Where to buy

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

Quick facts

OriginUji, Japan
Gradeceremonial
Price$1.13/g
OrganicNo
3rd-party testedNo
COA publishedNo
Pesticide testedNo

Last verified: June 21, 2026