How do you do intermittent fasting? Many IF'ers consume for 8 hrs a day, not eating the various other 16 hrs. The length of time do you have to quickly for intermittent fasting? You could begin with a 12-hour rapid and also function your means to 16 hrs. The majority of IFer's consume from 10-6, 11-7, or 12-8. It does not matter exactly what eating