ZLZ Peptide: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by ZLZ Peptide.
300
CoAs on file
99.39%
Avg reported purity
15
Compounds tested
Sep 24, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 107 | 99.8% | Sep 23, 2026 |
| Tirzepatide | 96 | 99.1% | Sep 24, 2026 |
| GHK-Cu | 19 | 99.81% | Sep 15, 2026 |
| Tesamorelin | 18 | 98.92% | Sep 4, 2026 |
| BPC-157 | 13 | 99.51% | Jul 23, 2026 |
| Semaglutide | 12 | 99.67% | Sep 5, 2026 |
| Ipamorelin | 6 | 99.74% | Jan 26, 2026 |
| Sermorelin | 5 | 99.59% | Jul 15, 2026 |
| CJC-1295 No DAC | 5 | 99.54% | Mar 10, 2026 |
| TB-500 | 5 | 94.78% | Jul 15, 2026 |
| NAD+ | 5 | 98.56% | Sep 24, 2026 |
| Cagrilintide | 3 | 99.76% | Mar 1, 2026 |
| PT-141 | 3 | 99.8% | Aug 9, 2026 |
| Melanotan II | 2 | 99.93% | Feb 26, 2026 |
| TB-500 Thymosin Beta-4 | 1 | 99.3% | May 13, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tirzepatide | n/a | 40.4% | Lab L | Sep 24, 2026 | verify |
| NAD+ | n/a | 98.3% | Lab E | Sep 24, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Sep 23, 2026 | verify |
| Tirzepatide | TR/2028-Z | 100% | Lab K | Sep 21, 2026 | verify |
| GHK-Cu | GH/2028-C | 99.9% | Lab E | Sep 15, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab G | Sep 8, 2026 | verify |
| Semaglutide | n/a | 99.9% | Lab G | Sep 5, 2026 | verify |
| Tesamorelin | May/2026 | 99.9% | Lab E | Sep 4, 2026 | verify |
| NAD+ | n/a | 98.3% | Lab E | Aug 26, 2026 | verify |
| Retatrutide | RT20-ZLZ01 | 99.8% | Lab G | Aug 25, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Aug 21, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Aug 13, 2026 | verify |
| Retatrutide | RT0527A | 99.9% | Lab E | Aug 12, 2026 | verify |
| PT-141 | ZLZPT626 | 99.8% | Lab G | Aug 9, 2026 | verify |
| Tesamorelin | n/a | 99.8% | Lab G | Aug 6, 2026 | verify |
| GHK-Cu | n/a | 99.7% | Lab G | Aug 6, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Aug 5, 2026 | verify |
| Tirzepatide | T62926 | 99.7% | Lab E | Aug 5, 2026 | verify |
| Retatrutide | 326RT20-04 | 99.9% | Lab E | Aug 5, 2026 | verify |
| GHK-Cu | 315CU50-04 | 99.9% | Lab E | Jul 23, 2026 | verify |
| Tesamorelin | 401TSM10-04 | 99% | Lab E | Jul 23, 2026 | verify |
| BPC-157 | 320BC10-04 | 99.7% | Lab E | Jul 23, 2026 | verify |
| TB-500 | n/a | 99.8% | Lab G | Jul 15, 2026 | verify |
| Sermorelin | n/a | 99.5% | Lab G | Jul 15, 2026 | verify |
| BPC-157 | n/a | 99% | Lab G | Jul 15, 2026 | verify |
Showing 25 most recent of 300. 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.