When people drink less water, their bodies tend to burn more fat and less sugar for energy, even if they’re not trying to lose weight.

46

Pro

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Against

Evidence from Studies

Supporting (1)

46

Community contributions welcome

46

Hydration biomarkers and copeptin: relationship with ad libitum energy intake, energy expenditure, and metabolic fuel selection

Cross-Sectional Study

Human

2020 Jan

This study found that when healthy adults drink less water, their bodies burn more fat and less sugar — exactly what the claim says — and this happened even when they ate the same amount of calories and had similar body types.

Contradicting (0)

0

Community contributions welcome

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

Hydration biomarkers and copeptin: relationship with ad libitum energy intake, energy expenditure, and metabolic fuel selection

Score: 46

DOI: 10.1038/s41430-019-0445-6

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People who don’t drink much water may burn slightly fewer calories over the course of a day, especially in populations living in hot, dry climates.

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0

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People who drink less water tend to eat less food later, even if they’re not hungry or trying to diet.

46

0

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