Steady Matcha

Midori Spring vs MRM Nutrition

This 2026 comparison covers Midori Spring and MRM Nutrition across price, testing transparency, heavy metal disclosure, and organic certification. On price, MRM Nutrition is $0.80/g less expensive per gram ($0.93/g vs $0.13/g).

Verified using public brand and product information.Last verified: Midori Spring June 27, 2026, MRM Nutrition June 27, 2026.
View Midori SpringView MRM Nutrition

At a Glance

Midori Spring

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Origin
Shizuoka, Indonesia
Grade
Ceremonial
Price per gram
$0.93/g
Organic
ORGANIC
Testing
Publishes COA (non-numeric)
Last verified
June 27, 2026

MRM Nutrition

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Origin
Not disclosed
Grade
Not specified
Price per gram
$0.13/g
Organic
ORGANIC
Testing
No public testing information found
Last verified
June 27, 2026

Key Differences

Price per gram

Better value

Midori Spring

$0.93/g

MRM Nutrition

$0.13/g

MRM Nutrition is $0.80/g less per gram (86% difference).

Origin

Not enough information

Midori Spring

Shizuoka, Indonesia

MRM Nutrition

Not disclosed

Midori Spring discloses its origin. The other brand has not publicly disclosed its leaf origin.

Testing transparency

More transparent

Midori Spring

Publishes COA (non-numeric)

MRM Nutrition

No public testing information found

Midori Spring discloses more testing information. Lower transparency tier means more public disclosure.

Which Should You Choose?

Choose Midori Spring if:

  • Testing transparency is important to you

Choose MRM Nutrition if:

  • You want the lower price per gram

Either may work if:

  • You want organic ceremonial matcha

Heavy Metal Testing

Midori Spring

Numeric heavy metal results are publicly available.

Last checked June 27, 2026.

MRM Nutrition

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: Midori Spring June 27, 2026, MRM Nutrition June 27, 2026.

Full Comparison

AttributeMidori SpringMRM Nutrition
Origin and Production
Origin
Shizuoka, Indonesia--
Grade
Ceremonial--
Country
Indonesia--
Region
Shizuoka--
Price and Value
Price per gram?
$0.93/g$0.13/g
Price as of
2026-06-272026-06-27
Organic Certification
Organic status
ORGANICORGANIC
Testing and Transparency
Testing transparency
Publishes COA (non-numeric)--
Publishes numeric lab results
----
Third-party testing disclosed
Yes--
Pesticide testing
Yes--
Published lead test result
135 ppmNo 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, 2026June 27, 2026

Frequently Asked Questions

Is Midori Spring or MRM Nutrition cheaper?

MRM Nutrition is cheaper at $0.13/g vs $0.93/g per gram, a difference of $0.80/g. Prices verified as of 2026-06-27.

Does Midori Spring publish lab results?

Midori Spring publishes some COA data but not at full ppb resolution with a named lab and date. Verified June 27, 2026.

Does MRM Nutrition publish lab results?

No public testing statement or COA has been found for MRM Nutrition as of June 27, 2026.

Which is third-party tested: Midori Spring or MRM Nutrition?

Midori Spring is third-party tested. MRM Nutrition does not have a confirmed third-party testing status as of the last verification date.

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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.