Retatrutide 99.7% Purity — ZepeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide batch (2025-1011) at 99.7% purity via HPLC and confirmed mass quantification. The tested quantity was 19mg against a 20mg label, representing a 5% deviation. Endotoxin status is not applicable, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- 5% quantity deviation
- no endotoxin test
- Test date
- 2026-01-07
- Testing lab
- LabG
- Batch / lot
- 2025-1011
- Quantity
- 19mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.5
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-01-07 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 38% of our catalogued Retatrutide certificates.
Zepeptide has 53 certificates in our corpus, including 26 for Retatrutide at a median tested purity of 99.80%.
Test report image
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