When people with kidney disease eat a lot of protein, it can lead to more harmful waste in their body because their gut bacteria get out of balance and their kidneys can't clean it out well, causing heart problems and swelling.

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.

Eating a lot of protein might put extra strain on your kidneys, which could be harmful over time.

For people with kidney disease, the right amount of protein in their diet depends on their age, health, and other conditions—too little can cause poor nutrition, but too much might harm the kidneys. Doctors usually suggest between 0.6 and 1.2 grams per kilogram of body weight each day.