Do you have difficulty digesting wheat or other grains? The problem could be gluten, a troublesome protein for many people. Swanson BioCore DPP IV is designed to help. It's a standardized, 100% natural supplement guaranteed to provide DPP IV activity in the digestive tract. DPP IV stands for dipeptidyl peptidase IV, a name given to a specific active stage of digestion during which these peptides are broken down, rendering them harmless. BioCore DPP IV is a unique blend of specific protease enzymes designed to deliver a standardized level of DPP IV activity with each capsule. It is the only supplement of its kind shown to survive the harsh environment of the stomach and produce this special activity where it's needed. For gluten-sensitive individuals and anyone who has difficulty digesting grain products, there's simply nothing like BioCore DPP IV.