Marukyu-Koyamaen vs Starwest Botanicals
This 2026 comparison covers Marukyu-Koyamaen and Starwest Botanicals across price, testing transparency, heavy metal disclosure, and organic certification. On price, Starwest Botanicals is $1.08/g less expensive per gram ($1.13/g vs $0.05/g).
At a Glance
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
Starwest Botanicals
- Origin
- Not disclosed
- Grade
- Not specified
- Price per gram
- $0.05/g
- Organic
- Not certified
- Testing
- No public testing information found
- Last verified
- June 27, 2026
Key Differences
Price per gram
Better valueMarukyu-Koyamaen
$1.13/g
Starwest Botanicals
$0.05/g
Starwest Botanicals is $1.08/g less per gram (96% difference).
Origin
Not enough informationMarukyu-Koyamaen
Uji, Japan
Starwest Botanicals
Not disclosed
Marukyu-Koyamaen discloses its origin. The other brand has not publicly disclosed its leaf origin.
Testing transparency
More transparentMarukyu-Koyamaen
No public testing information found
Starwest Botanicals
No public testing information found
Marukyu-Koyamaen discloses more testing information. Lower transparency tier means more public disclosure.
Which Should You Choose?
Choose Marukyu-Koyamaen if:
- Testing transparency is important to you
Choose Starwest Botanicals if:
- You want the lower price per gram
Heavy Metal Testing
Marukyu-Koyamaen
No published numeric heavy metal results found.
Last checked June 24, 2026.
Starwest Botanicals
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: Marukyu-Koyamaen June 24, 2026, Starwest Botanicals June 27, 2026.
Full Comparison
| Attribute | Marukyu-Koyamaen | Starwest Botanicals |
|---|---|---|
| Origin and Production | ||
Origin | Uji, Japan | -- |
Grade | Ceremonial | -- |
Country | Japan | -- |
Region | Uji | -- |
| Price and Value | ||
Price per gram? | $1.13/g | $0.05/g |
Price as of | 2026-06 | 2026-06-27 |
| 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 24, 2026) | No published results found (checked June 27, 2026) |
Published cadmium test result | No published results found (checked June 24, 2026) | No published results found (checked June 27, 2026) |
Published arsenic test result | No published results found (checked June 24, 2026) | No published results found (checked June 27, 2026) |
Published mercury test result | No published results found (checked June 24, 2026) | No published results found (checked June 27, 2026) |
Last verified | June 24, 2026 | June 27, 2026 |
1 field with no available data are hidden.
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.