Retatrutide 99.8% Purity — Mai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (Mai11052025RT20) at 99.75% purity via HPLC. The tested quantity of 21.8mg was 9% over the 20mg label. Endotoxin status is not applicable for this test. The test is recent (under 3 months old) and customers can cross-check on the lab's public verification URL.
- no endotoxin test
- Test date
- 2026-02-18
- Testing lab
- LabE
- Batch / lot
- Mai11052025RT20
- Quantity
- 21.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.4
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.75% ranks higher than 35% 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.
Mai Peptide has 77 certificates in our corpus, including 32 for Retatrutide at a median tested purity of 99.80%.
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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