Retatrutide 99.1% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabA. The retatrutide was found to be 99.08% pure via HPLC. The tested quantity of 15.77mg showed a 5.1% deviation from the 15mg label. Endotoxin status is not applicable. The test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-08-12
- Testing lab
- LabA
- Batch / lot
- (no batch ID)
- Quantity
- 15.77mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.1
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.08% ranks higher than 5% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-08-12 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 11% 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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