I have had IBS for nearly 60 years. To start off with it was nameless but slowly I got to grips with what to eat and what to avoid. Mine has now been controlled for the last 20 years by avoiding more and more processed foods. Supermarket bread went about 35 years ago and white rice shortly...
Which one are you trialing. I have only had 2 so far and both went down in less than 24 hours. I was beginning to think I had broken them in some way but from what you guys say I think it might not be my fault.