People with more active brown fat burn an extra 2% of their meal’s calories after eating carbs — which could add up to a few hundred extra calories burned per day over time.

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Pro

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Against

Evidence from Studies

Supporting (1)

42

Community contributions welcome

42

Brown fat-associated postprandial thermogenesis in humans: Different effects of isocaloric meals rich in carbohydrate, fat, and protein

Cross-Sectional Study

Human

2022

Scientists found that when healthy young men ate a carb-heavy meal, those with more active brown fat burned more calories afterward — by about 2.2% more — than those with less active brown fat. This matches exactly what 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

Brown fat-associated postprandial thermogenesis in humans: Different effects of isocaloric meals rich in carbohydrate, fat, and protein

Score: 42

DOI: 10.3389/fnut.2022.1040444

Similar Assertions

People with more active brown fat burn an extra 2% of their meal’s calories after eating carbs—enough to potentially affect weight over time.

42

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People with more active brown fat burn over twice as many extra calories after eating carbs as people with less active brown fat — this could explain why some people stay leaner even when eating the same food.

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People with more active brown fat burn about 2% more of their carb meal’s energy as heat than people with less active brown fat—this could explain why some people stay leaner even when eating the same food.

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After eating carbs, people with more active brown fat keep burning extra calories for the full two hours afterward, not just right after the meal.

42

0

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People with more active brown fat burn more calories after eating carbs — the more active their brown fat, the more energy they burn.

42

0

91%