I haven't discovered if it's the fake sugars yet.... but all of those otherwise, and it's so true that on an empty tummy a SF is the key. Whoa, I had a waffle with an itty bitty bit of Becel(the HEALTHY margarine) and I instantly cramped up. Of course, i had a barium swallow too, today, but this was immediate.
I'm trying drinking my water from a straw because I get fewer air bubbles that way. i also never drink my tea too hot to avoid slurping. I have a real complex about gas- lucky that I have IBS, eh?