What you eat in one meal matters more for how many calories you eat that day than how hungry or full you feel.

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Against

Evidence from Studies

Supporting (1)

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Self-selected meal composition alters the relationship between same-day caloric intake and appetite scores in humans during a long-term ad-libitum feeding study

Cross-Sectional Study

Human

2023 Mar

When people ate one meal with less protein during a long-term study, they ended up eating way more calories that day—even though they didn’t feel hungrier or fuller than usual. This means what’s in the meal matters more than how hungry you feel.

Contradicting (0)

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No contradicting evidence found

Source Study

Self-selected meal composition alters the relationship between same-day caloric intake and appetite scores in humans during a long-term ad-libitum feeding study

Score: 51

DOI: 10.1007/s00394-022-03040-5

Similar Assertions

How full or hungry people feel doesn’t explain why they eat more or less after choosing their own meal.

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When people eat a meal with less protein than usual, they tend to eat more total calories that day — and this pattern holds up even when accounting for other factors.

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When people on a high-protein diet eat a meal they choose themselves, their total calories go up — but they don’t feel any different in hunger or fullness.

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Even when people eat more or less than usual because they chose a different meal, they don’t feel hungrier or fuller than normal.

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Eating less protein makes people eat more calories — but not because they feel hungrier. Something else is going on.

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