Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.82% purity via HPLC, with mass quantification showing 14.7mg against a 15mg label (-2.0% deviation). Endotoxin status is not applicable for this test type. The test is older (6-12 months), and no batch ID was provided. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-10-05
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 14.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.8
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.82% ranks higher than 48% of the 9821 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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