Retatrutide 99.9% Purity — Welon Peptide SolutionsCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch at 99.9% purity via HPLC, with mass quantification and endotoxin testing. The tested quantity was 22.3mg, an 11.5% deviation from the 20mg label. Endotoxins were below LOQ, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- quantity deviation (11.5%)
- no batch ID
- Test date
- 2026-04-23
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 22.3mg
- Endotoxins
- below LOQ
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.1
- Label dose
- 20mg
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 2026-04-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 69% of our catalogued Retatrutide certificates.
Welon Peptide Solutions has 39 certificates in our corpus, including 14 for Retatrutide at a median tested purity of 99.89%.
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
sha256:3b1427649bbdfcf3…
— immutable copy held by TitrateLab