Retatrutide 99.9% Purity — Mai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (October 20, 2025) at 99.9% purity via HPLC. The tested quantity was 43.8mg, representing a significant -12.4% deviation from the 50mg label. 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 deviation (-12.4%)
- no endotoxin test
- Test date
- 2026-03-12
- Testing lab
- LabE
- Batch / lot
- October 20, 2025
- Quantity
- 43.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.0
- Label dose
- 50mg
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 2026-03-12 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 60% of our catalogued Retatrutide certificates.
Mai Peptide has 77 certificates in our corpus, including 32 for Retatrutide at a median tested purity of 99.80%.
Test report image
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