Summary
We have pages dedicated to a few types of IF diets:
Intermittent fasting (IF) is a general term for diets that involve prolonged periods of fasting (≥12 hours). Variants of IF include time-restricted eating, alternate-day fasting, and the 5:2 diet. In contrast to intermittent dieting, IF does not necessarily involve intentional caloric restriction; its main focus is on the timing of meals.
We have pages dedicated to a few types of IF diets:
Intermittent fasting (IF) is most often used for Fat Loss. The Examine Database covers Obesity, Overweight, and 3 other conditions and goals.
In this meta-analysis of randomized controlled trials, intermittent fasting improved HbA1c, lowered fasting blood sugar, and helped with weight loss in the short term. The benefits were not sustained once intermittent fasting was stopped.