This independent HPLC with UV detection coupled with mass spectrometry lab test confirms GLP TZ 20mg from Instant Peptides at 99.75% purity. The analysis was conducted by Freedom Diagnostics on January 26, 2026, under accession number 2601300190.
The tested sample contained 25.93 mg of net peptide content, exceeding the stated label quantity of 20 mg. A purity level of 99.75% indicates high-grade synthesis with minimal impurities. Endotoxin testing confirmed Pass status at ≤0.85 EU/mL for both replicates, indicating low endotoxin levels. The product specification confirms appearance as a white lyophilised powder with mass identification confirming the molecular structure and composition of GLP TZ.

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.