Retatrutide 99.1% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch (August 11, 2025) showed 99.1% purity via HPLC. The tested quantity was 9.28mg against a 10mg label, a deviation of -7.2%. Endotoxin status is not available, and the test is older (6-12 months).
- no endotoxin test
- stale (6-12 months)
- quantity deviation >5%
- Test date
- 2025-09-30
- Testing lab
- LabE
- Batch / lot
- August 11, 2025
- Quantity
- 9.28mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.5
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.10% ranks higher than 5% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-30 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 17% of our catalogued Retatrutide certificates.
Reta Peptide has 249 certificates in our corpus, including 80 for Retatrutide at a median tested purity of 99.87%.
Test report image
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