Third-party lab testing: 2 independent Janoshik assays on file, covering 2 substances, median measured purity 99.5%, most recent test 2025-12-29.
Finnrick, an independent testing programme, publishes 20 assays for Peptides 4 Research: 7 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 13 did not. Most recent assay 21 May 2025.
Peptides 4 Research listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/peptides-4-research.
Finnrick-tested with poor results. Tested across 5 peptide products with 20 total samples.
Peptides 4 Research is listed as active with a standing warning against it. Finnrick Grade D. Finnrick avg score: 4.3/10 across 20 samples (5 products). Below-average quality. Exercise caution.
Peptides 4 Research holds independent lab grade D, assigned across 20 graded samples, average score 4.3/10. 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.
| Substance | Measured purity | Test date |
|---|---|---|
| Cjc-1295 NO DAC 10MG | 99.27% | 2025-12-29 |
| Retatrutide 10mg | 99.70% | 2025-10-31 |
| Product | Assays | Result |
|---|---|---|
| BPC-157 | 4 | 2 passed, 2 failed |
| CJC-1295 | 4 | 0 passed, 4 failed |
| GHK-Cu | 4 | 3 passed, 1 failed |
| Ipamorelin | 4 | 2 passed, 2 failed |
| Tesamorelin | 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, with a standing warning |
|---|---|
| Independent lab grade | D (20 samples) |
| Average grader score | 4.3/10 |
| Independent assays on file | 2 |
| Median measured purity | 99.5% |
| Vendor type | Research-use supplier |
Treat Peptides 4 Research with caution — it carries an active warning on this directory. Also on record: 2 independent Janoshik assays on file, median measured purity 99.5%; 20 Finnrick assays (7 passing, 13 failing its purity threshold); an independent lab grade of D.
Yes. We hold 2 third-party Janoshik assays for Peptides 4 Research, covering 2 substances, with a median measured purity of 99.5%. The most recent is dated 2025-12-29. Finnrick, an independent testing programme, publishes 20 assays for Peptides 4 Research: 7 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 13 did not. Most recent assay 21 May 2025.
Tested substances: Cjc-1295 NO DAC 10MG, Retatrutide 10mg.
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Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
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