Consuming a protein-rich drink before a meal reduces feelings of hunger and increases fullness in healthy young men, but introducing fat directly into the upper intestine does not significantly...

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Evidence from Studies

Supporting (1)

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Effect of a protein preload on food intake and satiety feelings in response to duodenal fat perfusions in healthy male subjects.

Randomized Controlled Trial

Human

2005 Oct

Contradicting (0)

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No contradicting evidence found

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Source Study

Effect of a protein preload on food intake and satiety feelings in response to duodenal fat perfusions in healthy male subjects.

Score: 56

DOI: 10.1152/AJPREGU.00039.2005

Similar Assertions

When healthy young men consume protein before a meal and fat is delivered directly to the upper intestine, the total amount of food they eat is not lower than when they consume protein alone. This suggests the two stimuli affect fullness independently, not together.

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Eating a protein-rich snack before a meal makes you feel full, but this feeling is not caused by the release of three specific gut hormones. Instead, it may result from the stomach stretching or signals sent by nerves.

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Consuming a protein-rich drink before a meal leads to a 19% reduction in the amount of food eaten during that meal in healthy young men.

75%