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Updated: Nov 7, 2025

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice
Published on: November 27, 2019
[Intermittent fasting in science and practice; what are the effects on weight and cardiometabolic health?]
K A C Berk1,2, B van der Voorn1, E F C van Rossum1
1Erasmus MC, afd. Inwendig Geneeskunde, Rotterdam.
Abstract:
Intermittent fasting (IF) is a broad concept and covers several fasting regimes. Studies of 'early time restricted feeding' and 'alternate day fasting' with energy restriction show a greater effect on weight and cardiometabolic health in overweight people in the short term, compared to a continuous caloric restriction (CCR). 'Late time restricted feeding' seems to have no or unfavorable effects. Long-term studies (up to 2 years) suggest that IF regimens are not superior to continuous caloric restriction. The few studies available show a similar compliance and metabolic adaptation between IF and CCR. There is insufficient knowledge about long-term safety in various groups of people, the influence of dietary quality and the practical feasibility of IF regimes. As a result, no recommendations can yet be made on the use of IF in the treatment of overweight and related diseases.
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