Tirzepatide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, Janoshik. The tirzepatide batch (Sept 2025 clear caps, orange crimp) showed 99.781% purity. The tested quantity of 33.64mg was 12.13% over the 30mg label. Endotoxin status is unknown, and the test is older (6-12 months).
- no endotoxin test
- stale (6-12 months)
- quantity deviation (12.13%)
- Test date
- 2025-10-07
- Testing lab
- Janoshik
- Batch / lot
- Sept 2025 clear caps, orange crimp
- Quantity
- 33.64mg
- Endotoxins
- —
- Assay method
- —
How this result compares
This Tirzepatide certificate's tested purity of 99.78% ranks higher than 38% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-07 by Janoshik. This test is newer than 32% of our catalogued Tirzepatide certificates.
Zlz Peptide has 274 certificates in our corpus, including 94 for Tirzepatide at a median tested purity of 99.80%.
Third-party community lab
URL referencedThis entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.