Retatrutide 99.8% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. It reports 99.8% purity for Retatrutide via HPLC and mass quantification. The tested quantity of 23mg significantly deviates from the 20mg label, showing a 15% overage. Endotoxin status is not applicable, and the test is recent (3-6 months old).
- quantity deviation (15% over)
- no batch ID
- no endotoxin test
- Test date
- 2025-11-14
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 23mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.4
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-11-14 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 26% 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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