Eating a lot of protein doesn't hurt your kidneys, and this is shown by normal test results for kidney health.

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Pro

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Against

Evidence from Studies

Supporting (0)

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No supporting evidence found

Contradicting (1)

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Dietary Protein Intake and Single-Nephron Glomerular Filtration Rate

Cross-Sectional Study

Human

2020 Aug 23

The study looked at how eating more protein affects tiny parts of the kidney and found it might make them work too hard, which could be bad. This goes against the claim that high protein doesn't harm kidney function.

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.

Similar Assertions

Eating lots of protein makes your kidneys work harder in healthy people, but it probably doesn't harm them if your kidneys are already healthy. However, if you have kidney problems, high protein might make them worse.

1

0

85%

Eating a lot of protein might make your kidneys work too hard, based on a big study of over 9,000 adults.

47

0

81%

Eating too much protein might make kidney problems worse in people who already have kidney issues or are at risk for them, by putting extra strain on the kidneys and causing more damage over time.

1

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79%

Eating more protein is linked to how well your kidneys filter blood, even when considering other health factors like weight and blood pressure.

27

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79%

Eating a lot of protein might make kidney function get worse faster in people whose kidneys are already working too hard, but it doesn't seem to affect people with normal kidney function.

47

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79%