Retatrutide 99.9% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide batch (09/29/25) at 99.9% purity via HPLC. The tested quantity was 36.1mg against a 30mg label, representing a 20.3% deviation. Endotoxin status is not applicable for this test type. 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)
- Test date
- 2025-10-13
- Testing lab
- LabG
- Batch / lot
- 09/29/25
- Quantity
- 36.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.0
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% 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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