HK Peptides: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by HK Peptides.
464
CoAs on file
99.58%
Avg reported purity
15
Compounds tested
Sep 24, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 144 | 99.78% | Sep 24, 2026 |
| Tirzepatide | 133 | 99.56% | Sep 24, 2026 |
| GHK-Cu | 51 | 99.87% | Sep 24, 2026 |
| Tesamorelin | 35 | 99.41% | Sep 24, 2026 |
| BPC-157 | 22 | 99.66% | Sep 9, 2026 |
| Ipamorelin | 13 | 98.21% | Feb 26, 2026 |
| Melanotan II | 12 | 99.67% | Jul 9, 2026 |
| Cagrilintide | 11 | 98.96% | Aug 28, 2026 |
| Semaglutide | 10 | 99.7% | Jun 1, 2026 |
| CJC-1295 No DAC | 8 | 98.57% | Mar 10, 2026 |
| PT-141 | 7 | 99.81% | Mar 10, 2026 |
| TB-500 | 7 | 98.38% | Sep 10, 2026 |
| Sermorelin | 6 | 99.08% | Sep 4, 2026 |
| TB-500 Thymosin Beta-4 | 3 | 98.94% | Feb 26, 2026 |
| CJC-1295 DAC | 2 | 99.95% | Jan 26, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| GHK-Cu | n/a | 99.9% | Lab E | Sep 24, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab E | Sep 24, 2026 | verify |
| Tirzepatide | n/a | 75.9% | Lab L | Sep 24, 2026 | verify |
| Tesamorelin | n/a | 99.9% | Lab E | Sep 24, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Sep 24, 2026 | verify |
| Retatrutide | 2381089-83-2 | 99.9% | Lab E | Sep 17, 2026 | verify |
| GHK-Cu | 49557-75-7 | 99.9% | Lab E | Sep 15, 2026 | verify |
| Retatrutide | 43026 | 99.8% | Lab G | Sep 14, 2026 | verify |
| TB-500 | n/a | 98% | Lab E | Sep 10, 2026 | verify |
| BPC-157 | n/a | 99.9% | Lab E | Sep 9, 2026 | verify |
| Retatrutide | 2381089-83-2 | n/a | Lab E | Sep 9, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Sep 9, 2026 | verify |
| Sermorelin | n/a | n/a | Lab E | Sep 4, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab G | Aug 28, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab G | Aug 28, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab G | Aug 28, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab G | Aug 28, 2026 | verify |
| Cagrilintide | n/a | n/a | Lab G | Aug 28, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Aug 26, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Aug 26, 2026 | verify |
| Retatrutide | RT20/260514 | 99.9% | Lab E | Aug 26, 2026 | verify |
| Tesamorelin | n/a | 99.9% | Lab E | Aug 26, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab E | Aug 26, 2026 | verify |
| Retatrutide | RT1002 | 99.9% | Lab E | Aug 13, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Aug 12, 2026 | verify |
Showing 25 most recent of 464. 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.