Finnrick, an independent testing programme, publishes 27 assays for Bulk Peptide Supply: 23 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 4 did not. Most recent assay 1 Jul 2026.
Bulk Peptide Supply operates from US, OK 73120, registered as [object Object], listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/bulk-peptide-supply.
Finnrick-tested with mixed results. Tested across 5 peptide products with 22 total samples.
Bulk Peptide Supply is listed as active. Finnrick Grade C. Finnrick avg score: 7.5/10 across 22 samples (5 products). Mixed quality — some products test well, others below average.
Bulk Peptide Supply holds independent lab grade C, assigned across 22 graded samples, average score 7.5/10. 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.
No independent third-party assay is on file for Bulk Peptide Supply, and its storefront did not respond when we last tried to read it. An untested vendor has not failed a test — this is an absence of evidence, not evidence against it.
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 7 | 5 passed, 2 failed |
| BPC-157 | 5 | 4 passed, 1 failed |
| Semaglutide | 5 | 5 passed, 0 failed |
| Tirzepatide | 5 | 4 passed, 1 failed |
| Melanotan II | 3 | 3 passed, 0 failed |
| PT-141 | 2 | 2 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 | C (22 samples) |
| Average grader score | 7.5/10 |
| Vendor type | Research-use supplier |
Bulk Peptide Supply is listed as active and we hold 27 Finnrick assays (23 passing, 4 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 27 assays for Bulk Peptide Supply: 23 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 4 did not. Most recent assay 1 Jul 2026.
Similar vendors: Peptide Sciences, Limitless Life Nootropics, Polaris Peptides, NextechLabs, Yiwu Aozuo Trading Co, Shandong Shengyuan Peptide Technology, Skye Peptides, Qing Li Peptide.
Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
Other reviewed vendors: Bulk Peptide Wholesale Review, Burly Labs Peptides Review, Buy Peptides Australia Review.