Retatrutide 99.6% Purity — Zztai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.63% purity via HPLC and mass quantification. The tested quantity was 28.8mg against a 30mg label, a 4% deviation. Endotoxin status is unknown, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-08-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 28.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.3
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 99.63% ranks higher than 22% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-08-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 10% of our catalogued Retatrutide certificates.
Zztai Peptide has 35 certificates in our corpus, including 11 for Retatrutide at a median tested purity of 99.74%.
Test report image
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