Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (07-2025) at 99.83% purity via HPLC and mass quantification. Quantity matched the label at 30mg, and the test is older (6-12 months). Endotoxin status is not applicable for this test type. Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-09-30
- Testing lab
- LabE
- Batch / lot
- 07-2025
- Quantity
- 30mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.8
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 99.83% ranks higher than 50% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-30 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 17% of our catalogued Retatrutide certificates.
Zlz Peptide has 274 certificates in our corpus, including 100 for Retatrutide at a median tested purity of 99.84%.
Test report image
Finnrick
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