Pepsin is a (proteolytic) enzyme that helps digest protein. Cells that are located in the stomach secrete pepsin to help you break down the protein that is in the food you eat.
Pepsin Enzyme Function. ... Pepsin is an enzyme -- specifically, it's a proteolytic enzyme, meaning it helps digest proteins. Cells in the stomach secrete pepsin to help you digest the protein that you consume in food.May 8, 2015
