Pentadecapeptide COA — Verified Certificate of Analysis Results
7 independent third-party certificates of analysis for Pentadecapeptide, from 1 labs across 6 vendors (2025-07-23 to 2026-03-03).
Every Pentadecapeptide certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 7 published Pentadecapeptide certs in our corpus.
Assay metrics
Pentadecapeptide lab-testing metrics
0
Zero-purity certs
Mean dose vs label+15.2%
Within 10% of label dose29%
Overdosed ≥ +7%71%
Underdosed ≤ −7%14%
COAs per testing lab
Every lab testing Pentadecapeptide in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 0 |
| 50–70% | 0 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 0 |
| 90–91% | 0 |
| 91–92% | 0 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 0 |
| 95–96% | 0 |
| 96–97% | 0 |
| 97–98% | 0 |
| 98–99% | 0 |
| 99–100% | 0 |
COAs over time
Pentadecapeptide certificates published per month.
| Month | Certificates |
|---|---|
| 2025-07 | 1 |
| 2025-09 | 2 |
| 2025-11 | 1 |
| 2025-12 | 1 |
| 2026-01 | 1 |
| 2026-03 | 1 |
Most-tested vendors
Vendors by Pentadecapeptide certificate count.
See who tests most — unlock the vendor names with Pro.
Verified Pentadecapeptide certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| EZP | — | +11.7% | Janoshik | 2026-03-03 | View COA → |
| Peptide Basix | — | +8.9% | Janoshik | 2026-01-28 | View COA → |
| Biopep LLC | — | +39.7% | Janoshik | 2025-12-04 | View COA → |
| — | — | +22.4% | Janoshik | 2025-11-12 | View COA → |
| Somachems | — | -1.5% | Janoshik | 2025-09-15 | View COA → |
| Modern Research LLC | — | -13.6% | Janoshik | 2025-09-15 | View COA → |
| Uther Pharmaceutical | — | +38.6% | Janoshik | 2025-07-23 | View COA → |