Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.81% purity via HPLC and mass quantification. The tested quantity of 13.9mg was 7.3% below the 15mg label, and no endotoxin test was performed. The test is recent (under 3 months old).
- no endotoxin test
- quantity deviation (>5%)
- no batch ID
- Test date
- 2026-02-20
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 13.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.0
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.81% ranks higher than 46% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-20 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 54% 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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