Nephrology - Kidney Stones

Practice Guidance Toolkit

Description and Key Nutrition Issues


Nephrolithiasis is a condition in which a hard mass (kidney stone) forms in the urinary tract. Low urinary volume, high urinary concentrations of crystal-forming substances (e.g. calcium, oxalate, phosphate, sodium and uric acid), low urinary concentrations of crystal-inhibiting substances (e.g. citrate and magnesium) and low urinary pH favour stone formation.

Dietary interventions are designed to alter the concentration of crystal-forming substances and/or crystal-inhibiting
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Last Updated: 2015-02-20