Finnrick, an independent testing programme, publishes 90 assays for Mai Peptide: 66 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 24 did not. Most recent assay 30 Jul 2026.
Mai Peptide operates from China, registered as [object Object], listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/mai-peptide.
Finnrick-tested with poor results. Tested across 4 peptide products with 64 total samples.
Mai Peptide is listed as active. Finnrick Grade D. Finnrick avg score: 7.6/10 across 64 samples (4 products). Below-average quality. Exercise caution.
Mai Peptide holds independent lab grade D, assigned across 64 graded samples, average score 7.6/10. That grade comes from an independent grader's own sampling, not from PeptideAtlas, and it describes the samples that grader obtained rather than every batch sold.
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 34 | 29 passed, 5 failed |
| Tirzepatide | 23 | 13 passed, 10 failed |
| GHK-Cu | 11 | 9 passed, 2 failed |
| Ipamorelin | 7 | 6 passed, 1 failed |
| BPC-157 | 5 | 2 passed, 3 failed |
| Cagrilintide | 5 | 3 passed, 2 failed |
| Tesamorelin | 5 | 4 passed, 1 failed |
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
| Status | Active |
|---|---|
| Independent lab grade | D (64 samples) |
| Average grader score | 7.6/10 |
| Vendor type | Research-use supplier |
| Satisfaction | 0.3/5 |
|---|---|
| Delivery | 3.2/5 |
| Customer service | 3.2/5 |
| Packaging | 3.2/5 |
| Ease of purchase | 3.5/5 |
| Payment | 3.2/5 |
Scored out of 5 by the same independent grader, from its own buyers rather than from this site.
These details were read from Mai Peptide's own website on 2026-08-10. Pages consulted:
Mai Peptide is listed as active and we hold 90 Finnrick assays (66 passing, 24 failing its purity threshold); an independent lab grade of D. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. Finnrick, an independent testing programme, publishes 90 assays for Mai Peptide: 66 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 24 did not. Most recent assay 30 Jul 2026.
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