I think no one knows because the exact threshold is different from person to person. I've seen it suggested (in relation to 16:8 or 18:6) to do water only for a

I think no one knows because the exact threshold is different from person to person. I've seen it suggested (in relation to 16:8 or 18:6) to do water only for a while and then test each stuff independently to see what triggers a hunger pang half an hour later.