Retatrutide 99.8% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide was found to be 99.81% pure via HPLC and mass quantification. The tested quantity was 14mg against a 15mg label, a deviation of -6.7%. Endotoxin status is not applicable for this test. The test is older (6-12 months).
- no batch ID
- older (6-12 months)
- endotoxins n/a
- Test date
- 2025-10-09
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 14mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.2
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.81% ranks higher than 46% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-09 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 19% of our catalogued Retatrutide certificates.
Zzq Peptides has 57 certificates in our corpus, including 18 for Retatrutide at a median tested purity of 99.81%.
Test report image
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