gullet = gluten spell check sucks sometimes
Looks like it got you twice:
Gluten: gluten | ˈɡlo͞otn | noun a substance present in cereal grains, especially wheat, that is responsible for the elastic texture of dough. A mixture of two proteins, it causes illness in people with celiac disease.
Glutten: glutton | ˈɡlətn | noun 1 an excessively greedy eater. • a person who is excessively fond of or always eager for something: a glutton for adventure.