Retatrutide 99.6% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide batch (Jan 17, 2026) at 99.6% purity via HPLC. The tested quantity was 17.7mg, an 11.5% deviation from the 20mg label. Endotoxin status is not available. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (11.5%)
- Test date
- 2026-03-01
- Testing lab
- LabG
- Batch / lot
- Jan 17, 2026
- Quantity
- 17.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.4
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.60% ranks higher than 20% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-03-01 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 56% of our catalogued Retatrutide certificates.
Qing Li Peptide has 348 certificates in our corpus, including 119 for Retatrutide at a median tested purity of 99.80%.
Test report image
Finnrick
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