Retatrutide 98.7% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide at 98.7% purity via HPLC, with mass quantification and endotoxin testing. The tested quantity was 39.4mg against a 30mg label, a deviation of +31.3%. Endotoxins were below LOQ, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- quantity deviation (+31.3%)
- no batch ID
- Test date
- 2026-04-28
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 39.4mg
- Endotoxins
- below LOQ
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 2.6
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 98.70% ranks higher than 3% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-04-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 70% of our catalogued Retatrutide certificates.
Zzq Peptides has 57 certificates in our corpus, including 18 for Retatrutide at a median tested purity of 99.81%.
Test report image
Finnrick
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