HK Peptides -- Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by HK Peptides.
427
CoAs on file
99.62%
Avg reported purity
13
Compounds tested
Jun 21, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 132 | 99.77% | Jun 21, 2026 |
| Tirzepatide | 123 | 99.76% | Jun 7, 2026 |
| GHK-Cu | 45 | 99.87% | May 4, 2026 |
| Tesamorelin | 33 | 99.38% | Jun 11, 2026 |
| BPC-157 | 21 | 99.65% | Jun 11, 2026 |
| Ipamorelin | 13 | 98.21% | Feb 25, 2026 |
| Melanotan II | 11 | 99.65% | Apr 27, 2026 |
| CJC-1295 | 10 | 98.72% | Mar 9, 2026 |
| Semaglutide | 10 | 99.7% | May 31, 2026 |
| TB-500 | 9 | 98.64% | Jun 11, 2026 |
| Cagrilintide | 8 | 98.75% | Apr 27, 2026 |
| PT-141 | 7 | 99.81% | Mar 9, 2026 |
| Sermorelin | 5 | 99.08% | Apr 22, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | 0529261 | 99.9% | Finnrick Lab E | Jun 21, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | Jun 15, 2026 | verify |
| TB-500 | -- | 99.9% | Lab E | Jun 11, 2026 | verify |
| Tesamorelin | -- | -- | Lab E | Jun 11, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Jun 11, 2026 | verify |
| BPC-157 | -- | 99.9% | Lab E | Jun 11, 2026 | verify |
| Tirzepatide | -- | 99.1% | Lab E | Jun 7, 2026 | verify |
| Semaglutide | -- | 99.9% | Lab E | May 31, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | May 18, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 7, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | May 7, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 7, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 7, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 5, 2026 | verify |
| Tirzepatide | -- | -- | Lab E | May 5, 2026 | verify |
| Tesamorelin | -- | 99.9% | Lab E | May 4, 2026 | verify |
| Semaglutide | -- | 99.9% | Lab E | May 4, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | May 4, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | May 4, 2026 | verify |
| GHK-Cu | -- | 99.7% | Lab E | May 4, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 4, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | May 1, 2026 | verify |
| Tirzepatide | -- | 99.8% | Lab G | May 1, 2026 | verify |
| Melanotan II | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
Showing 25 most recent of 427. Search the full database on the CoA page.
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Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.