Finnrick, an independent testing programme, publishes 88 assays for Peptide Partners: 61 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 26 did not. Most recent assay 5 Aug 2026.
Peptide Partners registered as [object Object], listed by Finnrick as "Payment problems". Source: Finnrick, https://www.finnrick.com/vendors/peptide-partners.
Finnrick-tested with good results. Tested across 7 peptide products with 73 total samples.
Peptide Partners is listed as active. Finnrick Grade B. Finnrick avg score: 8.2/10 across 73 samples (7 products). Good quality with consistent test results.
Peptide Partners holds independent lab grade B, assigned across 73 graded samples, average score 8.2/10. 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 | 25 | 24 passed, 1 failed |
| TB-500 | 13 | 4 passed, 9 failed |
| Tesamorelin | 12 | 6 passed, 6 failed |
| BPC-157 | 10 | 6 passed, 4 failed |
| CJC-1295 | 9 | 4 passed, 5 failed |
| Ipamorelin | 8 | 8 passed, 0 failed |
| Tirzepatide | 7 | 5 passed, 1 failed |
| GHK-Cu | 4 | 4 passed, 0 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 | B (73 samples) |
| Average grader score | 8.2/10 |
| Vendor type | Research-use supplier |
| Satisfaction | 0.4/5 |
|---|---|
| Delivery | 4.4/5 |
| Customer service | 4.6/5 |
| Packaging | 4.4/5 |
| Ease of purchase | 4.6/5 |
| Payment | 4.3/5 |
Scored out of 5 by the same independent grader, from its own buyers rather than from this site.
These details were read from Peptide Partners's own website on 2026-08-10. Pages consulted:
Peptide Partners is listed as active and we hold 88 Finnrick assays (61 passing, 26 failing its purity threshold); an independent lab grade of B. 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 88 assays for Peptide Partners: 61 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 26 did not. Most recent assay 5 Aug 2026.
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