Retatrutide 100.0% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (10/25) at 99.95% purity via HPLC, with mass quantification confirming 50.3mg against a 50mg label. The test is older (6-12 months), and endotoxin status is not applicable. Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-11-06
- Testing lab
- LabE
- Batch / lot
- 10/25
- Quantity
- 50.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 10.0
- Label dose
- 50mg
How this result compares
This Retatrutide certificate's tested purity of 99.95% ranks higher than 91% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-11-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 24% 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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