GHK-Cu COA — Verified Certificate of Analysis Results
2988 independent third-party certificates of analysis for GHK-Cu, from 12 labs across 1169 vendors (2022-11-13 to 2026-08-08).
Every GHK-Cu certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 2988 published GHK-Cu certs in our corpus.
Assay metrics
GHK-Cu lab-testing metrics
99.8%
Median tested purity
5
Zero-purity certs
Mean purity99.6%
Mean dose vs label+6.6%
Endotoxin pass100%
Within 10% of label dose57%
Overdosed ≥ +7%41%
Underdosed ≤ −7%15%
COAs per testing lab
Every lab testing GHK-Cu in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 5 |
| 50–70% | 0 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 1 |
| 90–91% | 0 |
| 91–92% | 1 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 2 |
| 95–96% | 0 |
| 96–97% | 0 |
| 97–98% | 1 |
| 98–99% | 21 |
| 99–100% | 2927 |
COAs over time
GHK-Cu certificates published per month.
| Month | Certificates |
|---|---|
| 2022-11 | 1 |
| 2023-05 | 1 |
| 2023-09 | 2 |
| 2023-10 | 1 |
| 2023-11 | 2 |
| 2024-01 | 3 |
| 2024-02 | 2 |
| 2024-03 | 2 |
| 2024-04 | 2 |
| 2024-06 | 4 |
| 2024-07 | 2 |
| 2024-08 | 2 |
| 2024-09 | 3 |
| 2024-10 | 3 |
| 2024-11 | 2 |
| 2024-12 | 1 |
| 2025-01 | 11 |
| 2025-02 | 5 |
| 2025-03 | 9 |
| 2025-04 | 15 |
| 2025-05 | 42 |
| 2025-06 | 17 |
| 2025-07 | 58 |
| 2025-08 | 55 |
| 2025-09 | 66 |
| 2025-10 | 111 |
| 2025-11 | 144 |
| 2025-12 | 163 |
| 2026-01 | 210 |
| 2026-02 | 336 |
| 2026-03 | 204 |
| 2026-04 | 248 |
| 2026-05 | 328 |
| 2026-06 | 412 |
| 2026-07 | 440 |
| 2026-08 | 81 |
Most-tested vendors
Top 10 of 15 vendors by GHK-Cu certificate count.
See who tests most — unlock the vendor names with Pro.
+ 5 more vendors with fewer certificates.
5 of these GHK-Cu certificates reported 0% of the labeled compound — a "sample does not contain" result. Always read the individual cert.
Verified GHK-Cu certificates of analysis
2988 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every GHK-Cu result.
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