Retatrutide 99.8% Purity — LilipeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. It reports 99.75% purity for Retatrutide via HPLC and mass quantification. The tested quantity of 19.6mg is within 2% of the 20mg label. The test is recent (3-6 months old), but endotoxin status is not applicable, which may be a concern for injectables. Customers can verify this report on LabE's public URL.
- no batch ID
- no endotoxin test
- Test date
- 2025-12-17
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.6
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.75% ranks higher than 35% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-12-17 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 34% of our catalogued Retatrutide certificates.
Lilipeptide has 285 certificates in our corpus, including 137 for Retatrutide at a median tested purity of 99.80%.
Test report image
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