Retatrutide 99.8% Purity — ZepeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide batch (RT05/2025-1011) at 99.8% purity via HPLC. However, the tested quantity was 4.5mg against a 5mg label, representing a 10% deviation. Endotoxin status is not applicable for this test. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- quantity deviation (10%)
- no endotoxin test
- Test date
- 2026-02-10
- Testing lab
- LabG
- Batch / lot
- RT05/2025-1011
- Quantity
- 4.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.3
- Label dose
- 5mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-10 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 49% 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
Finnrick
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