Kidney stones can develop when minerals build up in your urine. However, eating a diet rich in fruits and vegetables, and low in salt or oxalate-rich food can help prevent mineral build up. Additionally, drinking lots of water throughout the day, especially if you exercise frequently, is important for kidney health.owever, eating a diet rich in fruits and vegetables, and low in salt or oxalate-rich food can help prevent mineral build up. Additionally, drinking lots of water throughout the day, especially if you exercise frequently, is important for kidney health.