Lab Directory
Independent testing labs that analyze peptide products. Each profile covers their testing methodologies, capabilities, and how to verify results directly.
Janoshik Analytical
One of the most widely referenced third-party testing laboratories for peptides and research compounds. HPLC purity, mass spectrometry identity, and endotoxin testing.
Freedom Diagnostics
High-volume US-based peptide testing lab with 40,000+ public COA reports. HPLC purity, MS/MS identity, endotoxin testing with 1–3 day turnaround.
Ethos Analytics
ISO/IEC 17025 accredited laboratory offering peptide purity and quantitation testing alongside nutraceutical, supplement, and cosmetic analysis. Accredited by PJLA.
ACS Lab
ISO 17025 accredited, DEA-registered lab offering HPLC, mass spectrometry, heavy metal screening, and third-party COA verification. By its own published estimate, 15–20% of vendor COAs show discrepancies.