Pure Bioscience | 2,806 followers on LinkedIn. Innovative Antimicrobial Solutions for Healthier Environments | PURE Bioscience, Inc. (OTCQB: PURE) is a pioneering company dedicated to developing and bringing to market exclusive antimicrobial solutions that address health and environmental challenges related to pathogen and hygienic control. Our innovative technology relies on patented, stabilized ionic silver, with our flagship products featuring Silver Dihydrogen Citrate (SDC).