Popular coverage: https://www.scientificamerican.com/article/artificial-sweete...
2: https://www.businessinsider.com/artificial-sweeteners-aspart...
Link to one actual study: https://www.mdpi.com/1420-3049/23/2/367
Neotame is 8000 * sweeter than sugar so this is the sweetness equivalent of 0.6 Kg of sugar a day or 2,348 calories for a 100kg human. This is also 8.4 * the average daily sugar consumption in the US.
Another study including Aspartame, monk fruit, stevia and sucrose was kind of interesting which showed sucrose (as expected) had the biggest insulin spike, but interestingly the participants made up for the sucrose calories in their next meal and actually had higher insulin spikes in the subsequent meal compared to the sucrose group. https://www.ncbi.nlm.nih.gov/pubmed/27956737
Probably best to avoid all sweeteners.
I'd expect a type 1 diabetic not to see either effect because the system that aspartame wacks out of tune is turned off for them.
I appreciate that I have no actual knowledge on the subject, except that I know the body must have control loops for this stuff and they must be kept in calibration by some mechanism. Probably my model is too simple.
"Tasting sweet food elicits insulin release prior to increasing plasma glucose levels, known as cephalic phase insulin release" https://www.jstage.jst.go.jp/article/biomedres/28/2/28_2_79/...
one more q, is the insulin spike level of fake sugar similar to that of a regular sugar?
What's also interesting is that Aspartame keeps on coming out ahead in study after study. No insulin response, no substantial side effects, and no proven cancer risk.
From everything I've read if you're only going to consume one LCS then make it Aspartame, it has had more research conducted on it than all of the others combined (and frankly most, even natural, food ingredients).