How so?
Wreak havoc?
Sugar alcohols are carbs. All of them. Maybe that is what you mean.
But there nothing specific - especially erythritol that is deadly, used lightly of course.
Read here:
https://diabetesstrong.com/diabetes-and-sugar-alcohols/
https://www.healthline.com/nutrition/sugar-alcohols-good-or-bad#types
https://www.healthline.com/health/diabetes/sugar-alcohol-and-diabetes
I have experienced it.