Eating about 152 grams of animal fat a day for a month doesn't change how your digestive system works or how much you poop. This shows that just eating more fat isn't what causes changes in your gut movement, so other parts of your diet are probably responsible.

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Pro

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Evidence from Studies

Supporting (1)

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Community contributions welcome

45

Influence of diets high and low in animal fat on bowel habit, gastrointestinal transit time, fecal microflora, bile acid, and fat excretion.

Cross-Sectional Study

Human

1978 Apr

The study found that eating a high amount of animal fat for a month didn't change how often people went to the bathroom, how heavy their stool was, or how fast food moved through their gut. This means fat alone doesn't change gut movement, so other parts of the diet must be causing those effects.

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

Influence of diets high and low in animal fat on bowel habit, gastrointestinal transit time, fecal microflora, bile acid, and fat excretion.

Score: 45

DOI: 10.1172/JCI109020

Similar Assertions

Eating a lot of animal fat makes your body poop out more fat than usual. When healthy young adults ate about 152 grams of animal fat daily for a month, they excreted nearly three times as much fat in their stool compared to when they ate only 62 grams, showing that the gut can only absorb so much fat before the rest passes through.

45

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84%

Eating a lot of animal fat makes your body excrete much more bile acid into your stool. This matters because too much bile acid in the colon is thought to increase the risk of developing bowel cancer.

45

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78%