I use a barium contrast at work for my job. The one I use is gluten free, but there are some that are not. What is the brand....Vari-Bar or Veri-Bar. I'll have to check monday.
Call the CT place, and ask for the brand, product, date, and phone number. If the product isn't gluten free, you can ask them to order it. 2 of Vari-Bar's products have gluten...