Retatrutide 99.6% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch EH1559 showed 99.6% purity via HPLC. The tested quantity was 29.4mg against a 30mg label, a -2.0% deviation. Endotoxin status is not applicable for this test. The test is recent (3-6 months old) and customers can verify it on the lab's public URL.
- no endotoxin test
- Test date
- 2026-01-26
- Testing lab
- LabE
- Batch / lot
- EH1559
- Quantity
- 29.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.3
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 99.60% ranks higher than 20% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-01-26 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 44% 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
Finnrick
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
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