Not true. This has been debunked a 1000 times. Healthy kidneys can handle more then you'll ever be able to eat. Diuretics on the other hand don't help
20nm brain, did you miss the part where I said "mostly for kidneys that are already damaged" ? High protein diets are detrimental for renal function in people with
or at risk for kidney disease, there are decades of science on this. "Or at risk for..." would include diabetes, high body weight, pounding down diuretics, etc.