Finnrick, an independent testing programme, publishes 64 assays for Shanghai Leader Peptide Biotechnology: 46 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 14 did not. Most recent assay 30 Jul 2026.
Shanghai Leader Peptide Biotechnology operates from China, listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/shanghai-leader-peptide-biotechnology.
Finnrick-tested with poor results. Tested across 4 peptide products with 43 total samples.
Shanghai Leader Peptide Biotechnology is listed as active. Finnrick Grade D. Finnrick avg score: 6.7/10 across 43 samples (4 products). Below-average quality. Exercise caution.
Shanghai Leader Peptide Biotechnology holds independent lab grade D, assigned across 43 graded samples, average score 6.7/10. 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 | 27 | 17 passed, 8 failed |
| Tirzepatide | 13 | 11 passed, 1 failed |
| GHK-Cu | 11 | 9 passed, 1 failed |
| Tesamorelin | 9 | 5 passed, 4 failed |
| BPC-157 | 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 | D (43 samples) |
| Average grader score | 6.7/10 |
| Vendor type | Research-use supplier |
These details were read from Shanghai Leader Peptide Biotechnology's own website on 2026-08-19. Pages consulted:
Shanghai Leader Peptide Biotechnology is listed as active and we hold 64 Finnrick assays (46 passing, 14 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 64 assays for Shanghai Leader Peptide Biotechnology: 46 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 14 did not. Most recent assay 30 Jul 2026.
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