Research Article
Antioxidant Effect of Standardized Extract of Propolis (EPP-AF®) in Healthy Volunteers: A “Before and After” Clinical Study
Figure 3
Tukey’s box-plot showing the urinary excretion of 8-isoprostane (ng/mg creatinine) before (baseline) and after the use of EPP-AF® 375 and 750 mg ( and , compared with baseline).