Retatrutide 98.8% Purity — Royal PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (Nov 2, 2025) at 98.78% purity via HPLC and mass quantification. The tested quantity was 9% over the labeled 30mg. Endotoxin status is not applicable, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (9% over)
- Test date
- 2026-02-22
- Testing lab
- LabE
- Batch / lot
- Nov 2, 2025
- Quantity
- 32.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.5
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 98.78% ranks higher than 3% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-22 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% of our catalogued Retatrutide certificates.
Royal Peptides has 39 certificates in our corpus, including 18 for Retatrutide at a median tested purity of 99.72%.
Test report image
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