Retatrutide 99.7% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (EH1558) at 99.7% purity via HPLC. Quantity was 4.5% below the 20mg label (19.1mg tested). Endotoxin status is not applicable for this test type. The test is recent (3-6 months old) and customers can cross-check on the lab's public verification URL.
- quantity deviation (-4.5%)
- no endotoxin test
- Test date
- 2026-01-26
- Testing lab
- LabE
- Batch / lot
- EH1558
- Quantity
- 19.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.5
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% 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
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