If you're a healthy woman with obesity and you eat very few carbs for 6 months, you'll likely lose more weight and body fat than if you eat low-fat foods — even if both diets have the same number of calories.

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Pro

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Against

Evidence from Studies

Supporting (1)

55

Community contributions welcome

55

A randomized trial comparing a very low carbohydrate diet and a calorie-restricted low fat diet on body weight and cardiovascular risk factors in healthy women.

Randomized Controlled Trial

Human

2003 Apr

The study found that obese women who ate very few carbs lost more weight and fat than those on a low-fat diet, even though both groups ate about the same number of calories — so yes, the claim is right.

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

A randomized trial comparing a very low carbohydrate diet and a calorie-restricted low fat diet on body weight and cardiovascular risk factors in healthy women.

Score: 55

DOI: 10.1210/jc.2002-021480

Similar Assertions

If you're a healthy woman with obesity and you eat very few carbs for 6 months, you'll likely lose more weight and body fat than if you eat low-fat foods — even if you're eating the same number of calories in both cases.

55

0

100%

If you're a healthy woman with obesity and you eat very few carbs for 6 months, you'll likely lose more weight and body fat than if you eat less fat but similar calories — even though both diets cut the same number of calories.

55

0

100%

For women who are obese but otherwise healthy, eating very few carbs or eating fewer calories with less fat both help lower blood pressure, cholesterol, and blood sugar about the same amount — neither diet wins by a noticeable margin.

55

0

86%

For women who are obese but otherwise healthy, eating very few carbs or eating fewer calories with less fat both help lower blood pressure, cholesterol, and blood sugar about the same amount — neither diet wins by a noticeable margin.

55

0

86%

If you're a healthy woman with obesity and you eat very few carbs for six months, your blood pressure, cholesterol, and blood sugar won't get worse than if you ate less fat instead — and both diets help you just about the same.

55

0

85%