Journal of Parenteral and Enteral Nutrition is the premier scientific journal of clinical nutrition and metabolic support, publishing original peer-reviewed studies that define the cutting edge of basic and clinical research. It explores the science of optimizing the care of patients receiving enteral or IV therapies. JPEN is a journal of the American Society for Parenteral and Enteral Nutrition. JPEN app is currently available for non-members until August 15. After August 15, only ASPEN members will have complete access to full-text articles.