Tirzepatide 99.8% Purity — Lisa BiopeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide at 99.83% purity via HPLC and mass quantification. The tested quantity was significantly under-dosed at 3.65mg against a 5mg label claim, a deviation of -27%. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no endotoxin test
- no batch ID
- Test date
- 2026-02-20
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 3.65mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.7
- Label dose
- 5mg
How this result compares
This Tirzepatide certificate's tested purity of 99.83% ranks higher than 51% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-20 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 66% of our catalogued Tirzepatide certificates.
Lisa Biopeptide has 54 certificates in our corpus, including 10 for Tirzepatide at a median tested purity of 99.80%.
Test report image
Finnrick
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