there is a blog post on WebMD titled "Could Artificial Sweeteners Raise Your Blood Sugar?" which notes a study where sweeteners were found to raise BG levels:
"Blame it on the bugs in your gut, scientists say. They found that saccharin (a.k.a. Sweet‘N Low), sucralose (a.k.a. Splenda) and aspartame (a.k.a. NutraSweet and Equal) raised
blood sugar levels"
I cant link to it as I just signed up to post this, but google should find it based off the above
As an IBS sufferer (directly caused by messed up gut bacteria for me) i'm aware of how much the little bug(ger)s can mess up all manner of things, from mood/thought processes to BG, body temperature and other biological functions.
good BG control is a minefield, and with so many different sugar alternatives now its getting harder to spot when a 'diet' or 'zero sugar' option is actually beneficial, either for BG or for general digestive health.
there certainly needs to be more awareness around the effects of these things on BG control, the available information from health services is, as per usual, shockingly lacking