ALB and chronic kidney disease: Another RCT involving 108 patients with stage 3 CKD confirmed similar effects of the fruit and vegetable intake on metabolic acidosis: the daily administration of 2 to 4 cups of fruits and vegetables over a 3-year period resulted in higher CO2 levels, a lower excretion of net acid, lower urinary albumin–creatinine ratios, and preserved kidney function [86].