Retatrutide 99.9% Purity — Ez PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (EZP-RET2412162025-12) at 99.9% purity via HPLC. The tested quantity was significantly lower than the label, showing a -27.0% deviation. Endotoxin status is not available. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- quantity deviation (-27%)
- no endotoxin test
- Test date
- 2026-03-06
- Testing lab
- LabE
- Batch / lot
- EZP-RET[PHONE_REDACTED]-12
- Quantity
- 19.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.4
- Label dose
- 24mg
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 2026-03-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 59% of our catalogued Retatrutide certificates.
Ez Peptides has 8 certificates in our corpus, including 6 for Retatrutide at a median tested purity of 99.90%.
Test report image
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