BioLegend develops and manufactures highly recognized, world-class antibodies, recombinant proteins, and reagents. We provide the highest quality products at an outstanding value, with superior customer support. Our portfolio includes tools for immunology, neuroscience, cell biology, and cancer research. We have developed over 18,000 products, cited in over 27,000 peer-reviewed publications. BioLegend in San Diego, California operates under an ISO 13485:2003 certified quality management system.