Founded in 1990 by scientist Dr. Tibor Sipos, Bethlehem-based Digestive Care, Inc. develops and manufactures pharmaceutical treatments for gastrointestinal disorders, including the PERTZYE pancreatic enzyme replacement therapy. The company’s work grew from Sipos’s patented microencapsulation technology for protecting digestive enzymes during gastric transit, and PERTZYE is manufactured in the USA by DCI.