Retatrutide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.78% purity via HPLC and mass quantification. The tested quantity was 32.9mg against a 30mg label, a deviation of +9.7%. Endotoxin status is not applicable. The test is older (6-12 months) and lacks a batch ID. Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no batch ID
- no endotoxin test
- Test date
- 2025-06-30
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 32.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.3
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 99.78% ranks higher than 39% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-06-30 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 7% 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:f2ede345b4c99fdf…
— immutable copy held by TitrateLab