What Is the Best Food for Fasting?

The best food for fasting includes ultra-low-calorie foods, if you decide to eat a small number of calories during a fast. Some top choices with the fewest calories include watercress (3.74), lettuce (5.4), Swiss chard (6.84), cucumber (7.8), and radishes (9.28) ( 34 , 24 , 19 , 20 , 27 ).

What Is Dirty Intermittent Fasting?

Health, explains that the newer dirty fasting trend is a form of time-restricted eating that allows you to eat up to 100 calories during fasting periods ( 36 ). “Clean” intermittent fasting includes time-restricted eating plans where you eat little but preferably no calories during fasting times ( 21 ).

What’s the Lowest-Calorie Snack?

One of the lowest-calorie snacks is popcorn. An 8-gram cup of air-popped popcorn has 31 calories ( 30 ). However, salted cucumber slices are possibly the lowest-calorie veggie snack. A ½ cup of cucumber slices has 7.8 calories, while a pinch of salt adds no extra calories ( 20 , 29 ).