Advisory Board April 3, 2025
Three days of intermittent fasting each week was better for weight loss and other outcomes than daily caloric restriction, according to a recent study published in Annals of Internal Medicine.
Decision guide: Weight Management Programs
Study details
For the study, researchers recruited 165 people with body mass indexes (BMIs) ranging from 27 to 46 between January 2018 and April 2021.
The participants were divided into two groups. The first group was told to fast intermittently by reducing their caloric intake by 80% on three nonconsecutive days each week. The second group was told to reduce their daily caloric intake by around 34%.
Participants in the intermittent fasting group were told they could eat whatever they wanted on the four non-fast...
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