Question: is isomalt safe to eat?
Answer: Sugar alcohols (erythritol, isomalt, lactitol, mannitol, sorbitol, xylitol, and others). Sugar alcohols (which don't contain sugar or alcohol) have about half as many calories as sugar (except for erythritol, which has one-twentieth as many). Too much can cause gastrointestinal distress, but otherwise they are safe.