Retatrutide 100.0% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (wxst2504234-001) at 99.95% purity via HPLC and mass quantification. The tested quantity was 9.69mg against a 10mg label (-3.1% deviation). Endotoxin status is not applicable for this test. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-10-05
- Testing lab
- LabE
- Batch / lot
- wxst2504234-001
- Quantity
- 9.69mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 10.0
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.95% ranks higher than 91% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-05 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 18% 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
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