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Strong Support

Whether you eat a high-protein diet with carbs or without carbs, your body burns about the same number of calories — carbs don’t make you burn more energy.

59
Pro
0
Against

Evidence from Studies

Supporting (1)

59

Community contributions welcome

59

Presence or absence of carbohydrates and the proportion of fat in a high-protein diet affect appetite suppression but not energy expenditure in normal-weight human subjects fed in energy balance

Randomized Controlled Trial
Human
2010 Nov

Scientists tested two high-protein diets — one with carbs and one without — and found that both burned the same amount of energy, even though one made people less hungry and burned more fat. So, carbs don’t change how many calories you burn.

Contradicting (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

Presence or absence of carbohydrates and the proportion of fat in a high-protein diet affect appetite suppression but not energy expenditure in normal-weight human subjects fed in energy balance

Score: 59
DOI: 10.1017/S0007114510002060

Similar Assertions

Even though people still ate more calories than they burned, eating high-protein, low-carb ultra-processed foods made them much less likely to store excess energy as fat compared to normal-protein ultra-processed foods.

64
0
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After losing weight, people who eat very little carbs burn about 190 more calories per day than those who eat a lot of carbs, even when they’re eating the same amount of food and not exercising more.

68
0
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Eating ultra-processed foods with more protein and fewer carbs makes your body burn about 130 extra calories per day just to digest and process the food, even if you’re not moving more.

64
0
79%

When healthy young people eat ultra-processed foods that are high in protein and low in carbs, they naturally eat about 200 fewer calories per day than when they eat ultra-processed foods with normal protein and carbs—even if both meals taste the same.

64
0
77%

When you eat a high-protein diet with no carbs but lots of fat, you feel less hungry and more full than when you eat the same amount of protein but with some carbs.

59
0
76%