Fasting and meal timing
6 guides. Each one sets out the rules, grades the evidence for every claimed outcome and shows who backs or doubts it.
- Calorie restrictionCalorie restriction means eating 10 to 25% fewer calories than usual every day while still getting all essential nutrients.Promising
- Fasting-mimicking dietThe fasting-mimicking diet is a five-day, plant-based, low-protein plan of about 1,100 kcal on day one and 720 kcal on days two to five, repeated monthly.Promising
- Intermittent fastingIntermittent fasting is an eating pattern that cycles between set periods of eating and fasting.Promising
- OMAD (one meal a day)OMAD, or one meal a day, is the most compressed form of intermittent fasting: you eat all of the day's food in a single meal, usually within about one hour, and fast for roughly 23 hours.Debated
- Time-restricted eatingTime-restricted eating means eating all of the day's food and caloric drinks within a consistent daily window, usually 6 to 10 hours, and fasting the rest of the day.Promising
- Water fasting and extended fastingWater fasting means drinking only water and eating nothing for 24 hours to several weeks.Debated