Grain.
It quickly becomes a dirty cuss word to the gluten intolerant. Many well meaning people think that if a package is not clearly labeled wheat, it is safe.
A neighbor asked me to make her a white bread sandwich, ten seconds after being told I am so gluten intolerant that I cannot walk down the bread aisle.
#GlutenFree and #AlergyFree Recipes free downloadable pdfs.
https://uncoveredmyths.wixsite.com/uncoveredmyths/grainsallergyfree
https://www.pinterest.com/UncoveredMyths/allergy-free-grains