Intermittent fasting means that you don't eat for a period of time each day or week. Some popular approaches to intermittent fasting include: Alternate-day fasting. Eat a normal diet one day and either completely fast or have one small meal (less than 500 calories) the next day.
Intermittent fasting is any of various meal timing schedules that cycle between voluntary fasting and non-fasting over a given period. Methods of intermittent fasting include alternate-day fasting, periodic fasting such as the 5:2 diet, and daily time-restricted eating.