Retatrutide 99.7% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide at 99.7% purity via HPLC and mass quantification. Quantity was within 1% of the label. The test is recent (under 3 months), and customers can cross-check on the lab's public verification URL. Note that endotoxin status is not applicable for this test type.
- no batch ID
- no endotoxin test
- Test date
- 2026-03-25
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 10.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.5
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-03-25 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 62% 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
sha256:208de806732ed11a…
— immutable copy held by TitrateLab