Heapwell Superfoods vs Marukyu-Koyamaen Matcha: 2026 Comparison
Heapwell Superfoods sources from Japan while Marukyu-Koyamaen sources from Uji, Japan, giving each brand a distinct terroir and flavor profile.
Verdict by Axis
No single overall winner is declared. The better choice depends on which axis matters most to you.
Price per gram
Tie / indeterminate
Only Marukyu-Koyamaen has a published price ($1.13/g). Cannot compare.
Testing transparency
Marukyu-Koyamaen
Marukyu-Koyamaen is Tier 4 vs Unrated for Heapwell Superfoods. Lower tier number means more disclosure.
Published lead level
Tie / indeterminate
Neither brand has published a numeric lead value. Cannot compare.
Origin
Tie / indeterminate
One or both brands have not publicly disclosed their leaf origin region.
Organic certification
Tie / indeterminate
Neither brand has a publicly confirmed organic certification.
Side-by-Side Spec Table
| Field | Heapwell Superfoods | Marukyu-Koyamaen |
|---|---|---|
| Origin | Japan | Uji, Japan |
| Grade | Premium | Ceremonial |
| Price per gram | Not available | $1.13/g |
| Transparency tier | -- | Tier 4 |
| Publishes numeric COA | No | No |
| Third-party tested | No | No |
| Organic certification | None | None |
| Lead (published) | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Cadmium (published) | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Arsenic (published) | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Mercury (published) | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Pesticide tested | No | No |
| Last verified | date unknown | June 24, 2026 |
Origin
Grade
Price per gram
Transparency tier
Publishes numeric COA
Third-party tested
Organic certification
Lead (published)
Cadmium (published)
Arsenic (published)
Mercury (published)
Pesticide tested
Last verified
Heavy Metals and Safety Disclosure
Neither Heapwell Superfoods nor Marukyu-Koyamaen has published numeric heavy metal values as of the last verification dates (date unknown and June 24, 2026 respectively). Without published ppb values, independent verification is not possible.
| Metal | Heapwell Superfoods | Marukyu-Koyamaen |
|---|---|---|
| Lead | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Cadmium | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Arsenic | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
| Mercury | Not publicly published (checked date unknown) | Not publicly published (checked June 24, 2026) |
Source: brand-published COAs and independent test results. Values are from specific batches and dates. Absence of published data does not indicate safety or danger. Last verified: Heapwell Superfoods date unknown, Marukyu-Koyamaen June 24, 2026.
Price Comparison
Heapwell Superfoods does not have a published price per gram. Marukyu-Koyamaen is priced at $1.13/g (as of 2026-06).
Detailed Analysis
Testing Transparency
No public testing statement has been found for Heapwell Superfoods as of the last verification date. No public testing statement has been found for Marukyu-Koyamaen as of the last verification date.
Origin and Sourcing
Heapwell Superfoods sources from Japan and Marukyu-Koyamaen sources from Uji, Japan. Different growing regions produce distinct flavor profiles: Uji matcha tends toward sweet umami, Kagoshima toward fresh and grassy, and Yame toward rich and complex. Neither region is objectively superior.
Which Should You Buy?
If testing transparency is your priority: Marukyu-Koyamaen (Tier 4) discloses more than Heapwell Superfoods (Unrated).
Frequently Asked Questions
What is the price of Heapwell Superfoods vs Marukyu-Koyamaen?
Marukyu-Koyamaen is priced at $1.13/g. Heapwell Superfoods does not have a published price per gram available.
Does Heapwell Superfoods publish lab results?
No public testing statement or COA has been found for Heapwell Superfoods as of date unknown.
Does Marukyu-Koyamaen publish lab results?
No public testing statement or COA has been found for Marukyu-Koyamaen as of June 24, 2026.
Is Heapwell Superfoods or Marukyu-Koyamaen organic?
Marukyu-Koyamaen holds None certification. Heapwell Superfoods does not have a publicly confirmed organic certification as of the last verification date.
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.