CHQ: SUBJECT: contents of barium sulfate solution
  MESSAGE: I have your Readi-Cat 2 barium sulfate solution.  21% w/v, 2.0% w/w.  I need to know of this contains any gluten or dairy.  Also, do you know if it contains any salicylates or anything similar to aspirin?
Summary: What are the ingredients of Readi-Cat 2 barium sulfate solution, and is it gluten and dairy free?