Retatrutide 99.3% Purity — WllybioCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 99.31% purity via HPLC. The tested quantity was significantly under-dosed at 3.96mg against a 5mg label claim, representing a -20.8% deviation. Endotoxin status is unknown. The test is older (6-12 months) and lacks a batch ID, though a verification URL is available.
- significant quantity deviation
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-07-03
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 3.96mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 3.6
- Label dose
- 5mg
How this result compares
This Retatrutide certificate's tested purity of 99.31% ranks higher than 9% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-07-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 7% of our catalogued Retatrutide certificates.
Wllybio has 35 certificates in our corpus, including 14 for Retatrutide at a median tested purity of 99.82%.
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
sha256:201a5ee2b7fe501d…
— immutable copy held by TitrateLab