Retatrutide 99.9% Purity — ZepeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.9% purity via HPLC and mass quantification. The tested quantity of 6.56mg was 6.3% below the 7mg label, and no endotoxin test was performed. This test is recent (under 3 months old). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (>5%)
- no batch ID
- Test date
- 2026-04-28
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 6.56mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.6
- Label dose
- 7mg
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 2026-04-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 70% 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
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