Although excessive protein intake remains a health concern
in individuals with pre-existing renal disease, the literature
lacks significant research demonstrating a link
between protein intake and the initiation or progression
of renal disease in healthy individuals. More importantly,
evidence suggests that protein-induced changes in renal
function are likely a normal adaptative mechanism well
within the functional limits of a healthy kidney. Without
question, long-term studies are needed to clarify the scant
evidence currently available regarding this relationship. At
present, there is not sufficient proof to warrant public
health directives aimed at restricting dietary protein intake
in healthy adults for the purpose of preserving renal
function.