Retatrutide 99.9% Purity — Welon Peptide SolutionsCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide at 99.9% purity using HPLC and mass quantification. The quantity tested was 19.5mg against a 20mg label, a deviation of -2.5%. The test is recent (under 3 months old), but no endotoxin test was performed, and no batch ID was provided. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- no batch ID
- Test date
- 2026-03-25
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 19.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.0
- 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 2026-03-25 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 62% 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
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