Retatrutide 98.7% Purity — ZepeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 98.7% purity via HPLC and mass quantification. Quantity was 4.5% over the labeled 20mg, and the test is recent (under 3 months). Endotoxin status is not applicable for this test type. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- no batch ID
- Test date
- 2026-02-22
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 20.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.7
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 98.70% ranks higher than 3% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-22 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% of our catalogued Retatrutide certificates.
Zepeptide has 53 certificates in our corpus, including 26 for Retatrutide at a median tested purity of 99.80%.
Test report image
Finnrick
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