·By following a renal diet of primarily fruits and vegetables coupled with a reduction intake of protein and phosphorus rich foods, the body will produce less waste and burden of elimination on the kidneys. A renal diet reduces the acidity of the body while promoting alkalinity for improved kidney function. A study has found that adding fruits and vegetables into your diet may help to protect the kidneys in chronic disease patients. Also controlling your blood sugar and avoiding high blood pressure will protect you from the dialysis machine. GreenGold Nutrition is definitely a part of the renal diet because it alkalizes the blood.