Chamberlain Coffee vs DoMatcha
This 2026 comparison covers Chamberlain Coffee and DoMatcha across price, testing transparency, heavy metal disclosure, and organic certification. Both brands are priced within 5% of each other per gram, so price is not a meaningful differentiator here.
At a Glance
Chamberlain Coffee
- Origin
- Not disclosed
- Grade
- Premium
- Price per gram
- $0.93/g
- Organic
- ORGANIC
- Testing
- No public testing information found
- Last verified
- June 27, 2026
DoMatcha
- Origin
- Kagoshima and Uji, Japan
- Grade
- Ceremonial
- Price per gram
- $0.95/g
- Organic
- ORGANIC
- Testing
- Claims testing, no published results
- Last verified
- June 27, 2026
Key Differences
Origin
Not enough informationChamberlain Coffee
Not disclosed
DoMatcha
Kagoshima and Uji, Japan
DoMatcha discloses its origin. The other brand has not publicly disclosed its leaf origin.
Testing transparency
More transparentChamberlain Coffee
No public testing information found
DoMatcha
Claims testing, no published results
DoMatcha discloses more testing information. Lower transparency tier means more public disclosure.
Which Should You Choose?
Choose DoMatcha if:
- Testing transparency is important to you
Either may work if:
- You want organic ceremonial matcha
Heavy Metal Testing
Chamberlain Coffee
No published numeric heavy metal results found.
Last checked June 27, 2026.
DoMatcha
No published numeric heavy metal results found.
Last checked June 27, 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: Chamberlain Coffee June 27, 2026, DoMatcha June 27, 2026.
Full Comparison
| Attribute | Chamberlain Coffee | DoMatcha |
|---|---|---|
| Origin and Production | ||
Origin | -- | Kagoshima and Uji, Japan |
Grade | Premium | Ceremonial |
Country | -- | Japan |
Region | -- | Kagoshima and Uji |
| Price and Value | ||
Price per gram? | $0.93/g | $0.95/g |
Price as of | 2026-06-27 | 2026-06-27 |
| Organic Certification | ||
Organic status | ORGANIC | ORGANIC |
| Testing and Transparency | ||
Testing transparency | -- | Claims testing, no published results |
Publishes numeric lab results | -- | -- |
Third-party testing disclosed | -- | -- |
Pesticide testing | -- | -- |
Published lead test result | No published results found (checked June 27, 2026) | No published results found (checked June 27, 2026) |
Published cadmium test result | No published results found (checked June 27, 2026) | No published results found (checked June 27, 2026) |
Published arsenic test result | No published results found (checked June 27, 2026) | No published results found (checked June 27, 2026) |
Published mercury test result | No published results found (checked June 27, 2026) | No published results found (checked June 27, 2026) |
Last verified | June 27, 2026 | June 27, 2026 |
Frequently Asked Questions
Related comparisons
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.