Maintaining a kidney friendly diet is an important part of slowing kidney disease. Here are two common problems: high blood pressure and diabetes – both major risk factors. Quite simply, eating kidney friendly foods and maintaining a balance of fluids in your body will help to keep your weight under control. This may also keep your blood pressure where it should be. Eating three balanced meals a day will also regulate your blood sugar. You may also need a snack at night. This is especially important if you have diabetes.