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.

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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, your body usually slows down metabolism to save energy, making it harder to keep the weight off. This study found that people who ate more protein didn’t experience this slowdown — their metabolism stayed normal, while those who ate less protein did. So, eating more protein helps you keep the weight off by keeping your metabolism from slowing down.

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.

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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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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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The more your body slows down its calorie burning after weight loss, the more likely you are to eat more than you burn — which makes it easier to gain weight back.

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