Tirzepatide 98.8% Purity — LipeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (December 5,2025) at 98.8% purity via HPLC. The tested quantity of 26.5mg significantly exceeded the 20mg label by 32.5%. Endotoxin status is unknown, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- quantity deviation (32.5%)
- no endotoxin test
- Test date
- 2026-03-06
- Testing lab
- LabE
- Batch / lot
- December 5,2025
- Quantity
- 26.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.6
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 98.80% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 70% of our catalogued Tirzepatide certificates.
Lipeptides has 37 certificates in our corpus, including 8 for Tirzepatide at a median tested purity of 99.80%.
Test report image
Finnrick
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