Retatrutide 99.9% Purity — Zenith Jove Peptide ZjCertificate of Analysis · Independent third-party lab result

This COA was tested by an independent third-party lab, LabE. The retatrutide was found to be 99.9% pure via HPLC and mass quantification. The tested quantity of 29mg was within 3.3% of the 30mg label. Endotoxin status is not applicable for this test. The test is recent, performed less than 3 months ago. Customers can verify this report via the lab's public URL.

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 2026-03-19 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 61% of our catalogued Retatrutide certificates.

Zenith Jove Peptide Zj has 59 certificates in our corpus, including 20 for Retatrutide at a median tested purity of 99.90%.

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