
Testing laboratory
MZ Biolabs
Official COA-testing page reviewed
Unclaimed profileReviewed Jul 10, 2026
Testing laboratory profile
Peptide and small-molecule identity, purity, and quantification testing using HPLC-UV and mass spectrometry.
- Service tier
- Independent analytical laboratory
- Capabilities
- Raw powder, liquid, tablet, and capsule analysis with HPLC-UV and mass-spectrometry confirmation.
- Community notes
- Frequently discussed as a U.S. independent option, but community reports remain secondary to official methods and reports.
Strengths
- Peptide-specific COA testing page
- HPLC plus mass spectrometry
- Clear statement of excluded test categories
Limitations
- Purity testing does not cover sterility or endotoxin
- Service scope should be confirmed per formulation
Editorial record
The official page explicitly separates identity/purity testing from sterility, endotoxin, heavy-metals, activity, and pH testing.
Profile ownership: unclaimed. Company representatives will be able to propose identity and catalog updates without changing editorial or regulatory records.