Exactly how do you do intermittent fasting? Most IF'ers eat for 8 hrs a day, not eating the various other 16 hrs. How long do you need to fast for intermittent fasting? You could start with a 12-hour rapid as well as work your method to 16 hrs. A lot of IFer's eat from 10-6, 11-7, or 12-8. No matter exactly what consuming window you select, just as