Antibiofix - Developed to fight life-threatening C. difficile infections—the leading cause of gastrointestinal infection mortality—Antibiofix+ is a clinically proven formula used and trusted in over 300 North-American hospitals. Rely on Bio-K+ Antibiofix+ to help reduce the risk of all forms of Antibiotic-Associated Diarrhea (AAD), and prevent C. difficile-Associated Diarrhea (CDAD).