Worthington is a privately owned, ISO9001 Certified. primary manufacturer of high-quality purified enzymes, proteins, nucleic acids and kits for biotech and life science research, diagnostic, biopharmaceutical and bioprocessing applications. Our reputation for producing quality products for all types of life science applications is the result of over 75 years of experience. Worthington’s in-house, full-service capabilities include initial extraction, fermentation, protein purification, lyophilization and packaging. All processes are fully documented and traceable from raw materials through final shipment. New Animal-Free enzymes and inhibitors are now available including Collagenases, DNases, RNases and other proteases for applications where minimization of potential animal-sourced pathogens is a required.