Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide at 99.8% purity via HPLC and mass quantification. The tested quantity was 12.5% over the labeled 20mg, and no endotoxin test results were provided. The test is recent (under 3 months old).
- no endotoxin test
- no batch ID
- quantity deviation (12.5% over)
- Test date
- 2026-02-15
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 22.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.7
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-15 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 51% 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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