Kettl vs Marukyu-Koyamaen
Kettl sources from Uji, Yame, Shizuoka, Shiga, Japan while Marukyu-Koyamaen sources from Uji, Japan, giving each brand a distinct terroir and flavor profile. Both brands are rated Tier 4 on testing transparency, meaning neither currently publishes a full numeric COA with ppb-resolution heavy metal values. On price, Marukyu-Koyamaen is $1.62/g less expensive per gram ($2.75/g vs $1.13/g).
At a Glance
Kettl
- Origin
- Uji, Yame, Shizuoka, Shiga, Japan
- Grade
- Ceremonial
- Price per gram
- $2.75/g
- Organic
- Not specified
- Testing
- No public testing information found
- Last verified
- June 27, 2026
Marukyu-Koyamaen
- Origin
- Uji, Japan
- Grade
- Ceremonial
- Price per gram
- $1.13/g
- Organic
- Not certified
- Testing
- No public testing information found
- Last verified
- June 24, 2026
Key Differences
Price per gram
Better valueKettl
$2.75/g
Marukyu-Koyamaen
$1.13/g
Marukyu-Koyamaen is $1.62/g less per gram (59% difference).
Origin
DifferentKettl
Uji, Yame, Shizuoka, Shiga, Japan
Marukyu-Koyamaen
Uji, Japan
Kettl sources from Uji, Yame, Shizuoka, Shiga, Japan. Marukyu-Koyamaen sources from Uji, Japan. Different growing regions produce distinct flavor profiles.
Testing transparency
Not enough informationKettl
No public testing information found
Marukyu-Koyamaen
No public testing information found
No published numeric lab results are available for either brand. A testing claim without published numbers cannot be independently verified.
Which Should You Choose?
Choose Marukyu-Koyamaen if:
- You want the lower price per gram
Heavy Metal Testing
Kettl
No published numeric heavy metal results found.
Last checked June 27, 2026.
Marukyu-Koyamaen
No published numeric heavy metal results found.
Last checked June 24, 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: Kettl June 27, 2026, Marukyu-Koyamaen June 24, 2026.
Full Comparison
| Attribute | Kettl | Marukyu-Koyamaen |
|---|---|---|
| Origin and Production | ||
Origin | Uji, Yame, Shizuoka, Shiga, Japan | Uji, Japan |
Grade | Ceremonial | Ceremonial |
Country | Japan | Japan |
Region | Uji, Yame, Shizuoka, Shiga | Uji |
| Price and Value | ||
Price per gram? | $2.75/g | $1.13/g |
Price as of | 2026-06-27 | 2026-06 |
| Testing and Transparency | ||
Testing transparency | -- | -- |
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 24, 2026) |
Published cadmium test result | No published results found (checked June 27, 2026) | No published results found (checked June 24, 2026) |
Published arsenic test result | No published results found (checked June 27, 2026) | No published results found (checked June 24, 2026) |
Published mercury test result | No published results found (checked June 27, 2026) | No published results found (checked June 24, 2026) |
Last verified | June 27, 2026 | June 24, 2026 |
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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.