While it's true that eating too much protein can worsen kidney function in people with preexisting kidney problems, studies have shown that regular consumption of 1 gram of protein per kilogram of bodyweight on a daily basis does not affect kidney or liver health in healthy young adults. (fitnessandpower.com)
In one experiment, all mice treated with at least 0.5 milligrams of the drug per kilogram of bodyweight survived infection. (sciencenews.org)
Adults require about 0.8 or 0.9 grams of protein per healthy kilogram of bodyweight per day. (nutritionfacts.org)