Finnrick, an independent testing programme, publishes 17 assays for PurePeptides: 11 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 6 did not. Most recent assay 13 Jul 2026.
PurePeptides listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/purepeptides.
Finnrick-tested with mixed results. Tested across 3 peptide products with 16 total samples.
PurePeptides is listed as active. Finnrick Grade C. Finnrick avg score: 6.4/10 across 16 samples (3 products). Mixed quality — some products test well, others below average.
PurePeptides holds independent lab grade C, assigned across 16 graded samples, average score 6.4/10. 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.
Community standing: 3.7/5 on Trustpilot from 20 reviews. Ratings of anonymous sellers of unregulated products are the weakest signal on this page; the assay and grading records carry more.
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 7 | 5 passed, 2 failed |
| Tirzepatide | 6 | 6 passed, 0 failed |
| Ipamorelin | 4 | 0 passed, 4 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 | C (16 samples) |
| Average grader score | 6.4/10 |
| Trustpilot | 3.7/5 from 20 reviews |
| Vendor type | Research-use supplier |
These details were read from PurePeptides's own website on 2026-08-10. Pages consulted:
PurePeptides is listed as active and we hold 17 Finnrick assays (11 passing, 6 failing its purity threshold); an independent lab grade of C. 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 17 assays for PurePeptides: 11 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 6 did not. Most recent assay 13 Jul 2026.
Similar vendors: Peptide Sciences, Limitless Life Nootropics, Polaris Peptides, NextechLabs, Yiwu Aozuo Trading Co, Shandong Shengyuan Peptide Technology, Bulk Peptide Supply, Skye Peptides.
Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
Other reviewed vendors: PureRawz Peptides Review, PureRx Peptides Review, Purity Peptides Review.