Science, verified.
Ziri Labs exists because research demands better. Every gram we ship has been synthesized, purified, and analytically verified — no shortcuts, no imports of unknown origin.
Synthesis
Solid-phase peptide synthesis performed in cGMP-adjacent US facilities using pharma-grade reagents.
Purification
Preparative HPLC purification isolates target sequences to greater than 99% purity.
Analysis
Every batch is verified by mass spectrometry and analytical HPLC to confirm identity and purity.
Documentation
Third-party certificates of analysis are issued per batch. Current COAs are available below.
Third-party verified
Independent HPLC-UV and LC-MS analyses issued by Freedom Diagnostics. Click any certificate to view the full report.
Purity target on every peptide batch
Independent analytical verification
Packaged and tested and shipped out domestically