A couple of days ago, I took 650 mg of Betain HCl (+150 mg of pepsin) as a test to 'diagnose' (or at least get a clue about) low stomach acid. I suspect (breath test coming up soon) SIBO (+ histamine intolerance), so I wanted to rule out low stomach acid as an underlying cause. I did get the warm feeling, so I'm assuming that I don't have low stomach acid levels.
I thought that this would be a pretty trivial test, but I'm not sure that it was. The day afterwards, I suffered from the most severe case of rhinitis that I've ever had (this went away the next day; not sure whether this is related to the Betaine HCl or the belching). I've also had almost constant belching since taking the supplement, while I never had any form of (worrisome) belching before.
I'm not sure whether this is merely a coincide or whether the Betain HCl has something to do with it. Does anyone have experience with this/suggestions about what it might possibly be?
It's coincidence, I've taken more betaine hcl than that before. I would say it could be causitive if this was a one day thing but that betaine hcl is long gone out of your system, much less your stomach by now.
Taking more HCL than you need can and often does result in excessive belching. You must have adequate stomach levels, or at least not low enough to warrant the dose you took. http://scdlifestyle.com/2012/03/3-tests-for-low-stomach-acid/