Retatrutide 99.9% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.9% purity via HPLC and mass quantification. The tested quantity was 27.5mg, an 8.3% deviation from the 30mg 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 (-8.3%)
- no endotoxin test
- no batch ID
- Test date
- 2026-03-03
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 27.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- Label dose
- 30mg
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 2026-03-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 57% of our catalogued Retatrutide certificates.
Zlz Peptide has 274 certificates in our corpus, including 100 for Retatrutide at a median tested purity of 99.84%.
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
sha256:62f0c1a12b4632d6…
— immutable copy held by TitrateLab