Tirzepatide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (11/2025 date) at 99.78% purity via HPLC. Quantity was 59.2mg against a 60mg label (-1.3% deviation), and endotoxins were below LOQ. The test is recent (under 3 months old). Customers can cross-check on the lab's public verification URL.
- Test date
- 2026-03-02
- Testing lab
- LabE
- Batch / lot
- 11/2025 date
- Quantity
- 59.2mg
- Endotoxins
- below LOQ
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.7
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.78% ranks higher than 38% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 68% of our catalogued Tirzepatide certificates.
Zlz Peptide has 274 certificates in our corpus, including 94 for Tirzepatide at a median tested purity of 99.80%.
Test report image
Finnrick
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