Whether you cut fat or carbs, if you eat the same number of calories, you’ll lose about the same amount of weight.

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Evidence from Studies

Supporting (1)

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Carbohydrates: Separating fact from fiction.

Narrative Review

Human

2021 Jul

The study found that when people eat the same number of calories, whether they cut fat or carbs, they lose about the same amount of weight — so what matters most is how many calories you eat, not whether you avoid fat or carbs.

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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

Carbohydrates: Separating fact from fiction.

Score: 1

DOI: 10.1016/j.atherosclerosis.2021.03.025

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