After two weeks of skipping meals intermittently, the body burns fewer calories at rest—which could make you gain weight if you keep eating the same amount.

37

Pro

0

Against

Evidence from Studies

Supporting (1)

37

Community contributions welcome

37

Intermittent fasting does not affect whole-body glucose, lipid, or protein metabolism.

Cross-Sectional Study

Human

2009 Nov

The study found that people who ate only during certain hours for two weeks burned fewer calories at rest, which means they might gain weight if they don’t eat less — just like the claim says.

Contradicting (0)

0

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Intermittent fasting does not affect whole-body glucose, lipid, or protein metabolism.

Score: 37

DOI: 10.3945/ajcn.2008.27327

Similar Assertions

Skipping meals intermittently for two weeks didn’t change how the body uses sugar, fat, or muscle protein in healthy, lean people—even when their insulin levels were raised.

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Skipping food two days a week (but not starving) for 3 months helps overweight people lose a bit of fat and weight, on average about 3.5% body fat and 2.8 kg.

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People with metabolic syndrome who try intermittent fasting lose about 4 pounds on average after a few months, even without counting calories.

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People with metabolic syndrome who follow intermittent fasting see their body mass index drop by a small but measurable amount, meaning they’re losing fat relative to their height.

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Specific intermittent fasting patterns (one 36-hour fast per week, two non-consecutive 24-hour fasts, or three separate 16-hour fasts) increase norepinephrine, fat oxidation, and glucose tolerance while avoiding metabolic downshift.

59

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