Every Mazdutide certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 53 published Mazdutide certs in our corpus.
53
Certificates
4
Independent labs
99.6%
Median tested purity
58%
Within 10% of label dose
Verified Mazdutide certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Xcel Peptides | 99.884% | +8.4% | Janoshik | 2026-02-04 | View COA → |
| ilab pharma | 99.677% | -1.9% | Janoshik | 2025-12-19 | View COA → |
| (unknown) | 99.152% | +16.8% | Janoshik | 2025-11-25 | View COA → |
| Elite Research Usa | 99.34% | -6.9% | LabE | 2025-11-25 | View COA → |
| Peptide Sciences | 98.74% | -6.9% | LabE | 2025-11-25 | View COA → |
| Peptide Powerhouse | 99.866% | +9.6% | Janoshik | 2025-11-13 | View COA → |
| Transforma Peptides | 99.866% | +9.6% | Janoshik | 2025-11-13 | View COA → |
| Ln Peptides | 99.69% | +7.0% | LabE | 2025-10-09 | View COA → |
| Uther Peptide | 99.72% | +7.0% | LabE | 2025-10-09 | View COA → |
| Uther Peptide | 99.83% | +11.0% | LabE | 2025-10-09 | View COA → |
| GENLABS | 99.096% | +8.2% | Janoshik | 2025-09-26 | View COA → |
| Xcel Peptides | 99.106% | +4.7% | Janoshik | 2025-09-24 | View COA → |
| Inno Peptides | 99.33% | +0.7% | Janoshik | 2025-09-01 | View COA → |
| Qing Li Peptide | 99.33% | +0.7% | Janoshik | 2025-09-01 | View COA → |
| Skye Peptides | 99.83% | +21.7% | LabF | 2025-08-16 | View COA → |
| Elite Research Usa | 99.13% | +13.0% | LabD | 2025-08-04 | View COA → |
| Elite Research Usa | 99.4% | +8.3% | LabA | 2025-06-27 | View COA → |
| Skye Peptides | 99.07% | +12.5% | LabD | 2025-05-20 | View COA → |
| Skye Peptides | 99.08% | +16.0% | LabD | 2025-05-20 | View COA → |
| Sigma Audley | 99.609% | +1.0% | Janoshik | 2025-05-13 | View COA → |
| Uther Peptide | 99.56% | +9.6% | Janoshik | 2025-05-13 | View COA → |
| Pharma Grade Peptides | 98.77% | -77.8% | LabA | 2025-05-06 | View COA → |
| Pharma Grade Peptides | 98.67% | -79.2% | LabA | 2025-05-06 | View COA → |
| Polaris Peptides | 99.65% | +10.8% | LabA | 2025-05-06 | View COA → |
| Nuscience Peptides | 93.17% | -5.3% | LabA | 2025-05-06 | View COA → |
| Nuscience Peptides | 95.94% | -2.0% | LabA | 2025-05-06 | View COA → |
| Skye Peptides | 99.57% | +15.7% | LabA | 2025-05-06 | View COA → |
| Skye Peptides | 99.5% | +16.7% | LabA | 2025-05-06 | View COA → |
| Planet Peptide | 99.75% | +10.6% | LabA | 2025-05-06 | View COA → |
| Planet Peptide | 99.69% | +7.4% | LabA | 2025-05-06 | View COA → |
| Tydes | 99.58% | +13.7% | LabA | 2025-04-30 | View COA → |
| Tydes | 99.51% | +15.0% | LabA | 2025-04-30 | View COA → |
| Polaris Peptides | 99.85% | +10.8% | LabA | 2025-04-30 | View COA → |
| Polaris Peptides | 99.66% | +7.7% | LabA | 2025-04-30 | View COA → |
| Tydes | 99.97% | +16.5% | LabF | 2025-04-25 | View COA → |
| Planet Peptide | 99.71% | +10.8% | LabF | 2025-04-25 | View COA → |
| Eros Labs | 99.251% | +42.2% | Janoshik | 2025-03-24 | View COA → |
| Modern Research LLC | 99.301% | +5.8% | Janoshik | 2025-03-11 | View COA → |
| Eros Labs | 99.629% | +7.9% | Janoshik | 2025-02-27 | View COA → |
| ZYH | 99.462% | -19.3% | Janoshik | 2024-12-23 | View COA → |
| PGB | 99.723% | +5.0% | Janoshik | 2024-08-29 | View COA → |
| PGB | 99.33% | +4.5% | Janoshik | 2024-08-29 | View COA → |
| PGB | 99.533% | +5.2% | Janoshik | 2024-08-29 | View COA → |
| PGB | 99.888% | +4.2% | Janoshik | 2024-08-29 | View COA → |
| Vida Labz | 97.084% | +9.3% | Janoshik | 2024-08-19 | View COA → |
| Qingdao Sigma Chemical | 99.246% | +7.1% | Janoshik | 2024-08-07 | View COA → |
| Nexaph | 99.302% | — | Janoshik | 2024-07-24 | View COA → |
| Guruite Biotech | 99.721% | +4.2% | Janoshik | 2024-05-29 | View COA → |
| Qingdao Sigma Chemical | 99.326% | +7.5% | Janoshik | 2024-04-30 | View COA → |
| Polaris Peptides | 99.825% | +13.3% | Janoshik | 2024-04-05 | View COA → |
| Peptide Sciences | 99.63% | +11.7% | LabF | — | View COA → |
| Peptide Sciences | 99.83% | +11.9% | LabF | — | View COA → |
| Peptide Sciences | 99.62% | -5.2% | LabE | — | View COA → |