Objectives: 1) To investigate the amount of citrate and tartrate in aloe gel, and in the urine of healthy normal
children, before and after consuming fresh aloe gel. 2) To evaluate the changes in the chemical composition of
urine among subjects after taking aloe gel. 3) To determine the value of consuming aloe gel for prevention of
renal stone formation.
Design: Experimental study.
Material and Method: Thirteen healthy boys between 9 and 13 years of age were enrolled