Retatrutide 99.7% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide at 99.7% purity via HPLC and mass quantification. The tested quantity was 16.8mg against a 20mg label, representing a 16% deviation. Endotoxin status is not applicable, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no endotoxin test
- no batch ID
- Test date
- 2026-01-07
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 16.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.0
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-01-07 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 38% 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
Finnrick
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