Retatrutide 99.9% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (RT15) at 99.9% purity via HPLC and performed mass quantification. However, the tested quantity was significantly lower than the label (6.51mg vs 15mg, -56.6% deviation). Endotoxin status is not applicable, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- quantity significantly under label
- no endotoxin test
- Test date
- 2026-02-18
- Testing lab
- LabE
- Batch / lot
- RT15
- Quantity
- 6.51mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.5
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-18 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 53% 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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