Retatrutide 99.8% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide showed 99.85% purity via HPLC and mass quantification. The tested quantity was 20.1mg, a 0.5% deviation from the 20mg label. Endotoxin status is not applicable for this test. The test is older (6-12 months) and lacks a specific batch ID.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-09-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 20.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.9
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.85% ranks higher than 54% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 13% of our catalogued Retatrutide certificates.
Hk Peptides has 487 certificates in our corpus, including 140 for Retatrutide at a median tested purity of 99.88%.
Test report image
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