Retatrutide 99.4% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide batch (08/15/25) at 99.4% purity via HPLC. The tested quantity was 12mg, a 20% deviation from the 10mg label. Endotoxin status is not applicable, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- quantity deviation (20%)
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-10-13
- Testing lab
- LabG
- Batch / lot
- 08/15/25
- Quantity
- 12mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.8
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.40% ranks higher than 11% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-13 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 20% 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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