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

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.

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.

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

Eating a lot of protein every day — even more than 200 grams — won’t hurt your kidneys if they’re already healthy.

Eating too much protein every day can put extra pressure on your kidneys, making them work too hard and eventually causing damage over time, even if you're healthy.