Retatrutide 99.8% Purity — Zen PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch at 99.81% purity using HPLC and mass quantification. The quantity was 9.88mg against a 10mg label (-1.2% deviation), and endotoxins were low. This test is recent (under 3 months old) and customers can verify it on the lab's public URL.
- no batch ID
- Test date
- 2026-03-03
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 9.88mg
- Endotoxins
- low
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.8
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.81% ranks higher than 46% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-03-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 57% of our catalogued Retatrutide certificates.
Zen Peptides has 32 certificates in our corpus, including 11 for Retatrutide at a median tested purity of 99.66%.
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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