Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide at 99.8% purity using HPLC and mass quantification. The tested quantity was 18.5mg against a 20mg label, a deviation of -7.5%. Endotoxin status is not applicable for this test type. The test is recent (3-6 months old).
- no endotoxin test
- no batch ID
- quantity deviation (-7.5%)
- Test date
- 2026-01-26
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 18.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-01-26 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 44% 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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