However , orally administered enzymes are potentially subject to inactivation in the gastrointestinal tract .
Some types of prolyl endopeptidase have been used in studies to decrease the propensity of gluten - containing wheat products to aggravate coeliac disease .
Orally administered enzymes are potentially subject to inactivation in the gastrointestinal tract .
Some types of prolyl endopeptidase have been used in studies to decrease the propensity of gluten - containing wheat products to aggravate coeliac disease .