Retatrutide 98.4% Purity — Peptide GurusCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 98.39% purity via HPLC and mass quantification. Quantity was 4.91mg against a 5mg label (-1.8% deviation). The test is older (6-12 months), and endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-07-03
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 4.91mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.4
- Label dose
- 5mg
How this result compares
This Retatrutide certificate's tested purity of 98.39% ranks higher than 3% of the 9821 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.
Peptide Gurus has 181 certificates in our corpus, including 16 for Retatrutide at a median tested purity of 99.14%.
Test report image
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