Every Melanotan I certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 26 published Melanotan I certs in our corpus.
26
Certificates
2
Independent labs
99.8%
Median tested purity
89%
Within 10% of label dose
Verified Melanotan I certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| MKM Peptides | 99.525% | +1.1% | Janoshik | 2026-04-09 | View COA → |
| Qingdao Sigma Chemical | 99.871% | — | Janoshik | 2026-03-25 | View COA → |
| Uther Peptide | 99.686% | +3.9% | Janoshik | 2026-03-24 | View COA → |
| Hk Peptides | 99.418% | +0.4% | Janoshik | 2026-03-12 | View COA → |
| Modern Research LLC | 99.67% | -1.0% | Janoshik | 2026-02-09 | View COA → |
| Xcel Peptides | 99.924% | +7.4% | Janoshik | 2026-02-04 | View COA → |
| EZP | 99.944% | +3.1% | Janoshik | 2026-02-02 | View COA → |
| AMP | 99.944% | +3.1% | Janoshik | 2026-02-02 | View COA → |
| Nexaph | 99.944% | +3.1% | Janoshik | 2026-02-02 | View COA → |
| Edge Peptides | 99.686% | +18.7% | Janoshik | 2025-12-23 | View COA → |
| Vital Edge Science | 99.382% | -1.5% | Janoshik | 2025-12-08 | View COA → |
| Transforma Peptides | 99.723% | -0.9% | Janoshik | 2025-11-14 | View COA → |
| (unknown) | 99.854% | +31.0% | Janoshik | 2025-08-21 | View COA → |
| Uther Pharmaceutical | 99.941% | — | Janoshik | 2025-08-21 | View COA → |
| Peptira | 99.848% | +4.5% | Janoshik | 2025-08-13 | View COA → |
| Verified Peptides | 99.653% | — | Janoshik | 2025-07-28 | View COA → |
| Peptira | 99.748% | -2.1% | Janoshik | 2025-07-16 | View COA → |
| Sigma Audley | 99.44% | +2.1% | Janoshik | 2025-05-31 | View COA → |
| Andy Peps Studio | 99.553% | -7.7% | Janoshik | 2025-05-28 | View COA → |
| PGB | 99.718% | +5.2% | Janoshik | 2025-04-18 | View COA → |
| Modern Research LLC | 99.862% | +4.6% | Janoshik | 2025-03-11 | View COA → |
| Eros Labs | 99.922% | — | Janoshik | 2025-02-27 | View COA → |
| Uther Pharmaceutical | 99.796% | -1.6% | Janoshik | 2024-12-17 | View COA → |
| LIMITLESS biotech | 99.417% | — | Janoshik | 2024-10-29 | View COA → |
| Peptide Crafters | 99.961% | — | Janoshik | 2024-09-10 | View COA → |
| Mob Peptides | 99.914% | — | Janoshik | 2024-06-18 | View COA → |