Plasma concentrations of, urea, creatinine, and creatinine clearance and N-acetyl-beta-D-glucosaminidase (NAG) and Neutrophil gelatinase-associated lipocalin (NGAL) in control (CON) rats and in rats treated with adenine (A) 50 mg/Kg, 100 mg/Kg, 50 mg/Kg + gum acacia (GA), 100 mg/Kg + GA. Each column is mean ± SEM (n=six rats). Statistical analysis was done by ANOVA followed by Tukey’s multiple comparison tests.