Certificate of Analysis
Every batch of Tirz is independently analyzed by an accredited third-party lab. The report below reflects the active batch. Your shipment includes the matching batch-specific COA.
Independent Lab · Verified
Issued Jun 2026
- Compound
- Tirz (Tirzepatide (GIP/GLP-1 receptor agonist))
- Batch
- VTL-TIRZ-2605
- Form
- Lyophilized powder
- Purity (HPLC)
- 99.0%
- Mass-Spec Identity
- Confirmed
- Endotoxin
- < 1 EU/mg

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