LN Peptides: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by LN Peptides.
42
CoAs on file
98.28%
Avg reported purity
6
Compounds tested
Sep 18, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 14 | 99.71% | Apr 28, 2026 |
| Retatrutide | 13 | 99.81% | Sep 15, 2026 |
| Tesamorelin | 10 | 92.7% | Sep 18, 2026 |
| GHK-Cu | 2 | 99.3% | Feb 4, 2026 |
| Ipamorelin | 2 | 99.84% | Jan 26, 2026 |
| Mazdutide | 1 | 99.69% | Oct 9, 2025 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tesamorelin | n/a | 99.9% | Lab E | Sep 18, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Sep 15, 2026 | verify |
| Retatrutide | Rt40pucap063026ln | 99.9% | Lab E | Aug 3, 2026 | verify |
| Retatrutide | Rt30WH042026LN | n/a | Lab E | Jul 22, 2026 | verify |
| Tesamorelin | TSM10_RedCap_050526LN | n/a | Lab E | Jun 15, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Jun 4, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jun 1, 2026 | verify |
| Retatrutide | Rt10 purple cap | 99.9% | Lab E | May 13, 2026 | verify |
| Tirzepatide | n/a | 99.5% | Lab E | Apr 28, 2026 | verify |
| Tesamorelin | n/a | 99.9% | Lab E | Mar 6, 2026 | verify |
| Tesamorelin | n/a | 99.9% | Lab E | Mar 6, 2026 | verify |
| Tesamorelin | TES10012026LN | 98.47% | Lab E | Mar 2, 2026 | verify |
| Tesamorelin | n/a | 98.88% | Lab E | Feb 26, 2026 | verify |
| Tesamorelin | n/a | 99.72% | Lab E | Feb 26, 2026 | verify |
| Tirzepatide | n/a | 99.73% | Lab E | Feb 20, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Feb 20, 2026 | verify |
| Tirzepatide | FF-VP1225LN | 99.8% | Lab E | Feb 18, 2026 | verify |
| Tirzepatide | LN11252025-30 | 99.8% | Lab G | Feb 15, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Feb 15, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Feb 11, 2026 | verify |
| GHK-Cu | n/a | 98.7% | Lab G | Feb 4, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Jan 26, 2026 | verify |
| Ipamorelin | n/a | 99.9% | Lab E | Jan 26, 2026 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Jan 19, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jan 15, 2026 | verify |
Showing 25 most recent of 42. 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.