After losing weight, your body tries to burn fewer calories than it should — but eating more protein helps your metabolism return to normal, while eating less protein keeps it slowed down.

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Pro

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Against

Evidence from Studies

Supporting (1)

60

Community contributions welcome

60

High Compared with Moderate Protein Intake Reduces Adaptive Thermogenesis and Induces a Negative Energy Balance during Long-term Weight-Loss Maintenance in Participants with Prediabetes in the Postobese State: A PREVIEW Study

Randomized Controlled Trial

Human

2020 Mar 1

After losing weight, people’s bodies often burn fewer calories than expected, making it harder to keep the weight off. This study found that eating more protein (25% of calories) stopped this slowdown, while eating less protein (15%) caused the body to burn about 0.5 MJ less per day than it should — just like the claim says.

Contradicting (0)

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No contradicting evidence found

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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

High Compared with Moderate Protein Intake Reduces Adaptive Thermogenesis and Induces a Negative Energy Balance during Long-term Weight-Loss Maintenance in Participants with Prediabetes in the Postobese State: A PREVIEW Study

Score: 60

DOI: 10.1093/jn/nxz281

Similar Assertions

After losing weight, your body tries to burn fewer calories than it should — but eating more protein helps your body return to its normal calorie-burning rate.

60

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After losing weight, people with prediabetes who eat more protein burn more calories at rest and end up in a calorie deficit, which could help them keep the weight off longer.

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When people who lost weight eat more protein and fewer carbs, their bodies burn more calories at rest and end up in a calorie deficit, which might help them keep the weight off.

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When you eat more protein after losing weight, your body uses more of it and holds onto more muscle instead of breaking it down.

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84%

After losing weight, the body slows down calorie burning to save energy — but eating more protein stops this slowdown, so the body burns calories at the expected rate again.

60

0

84%