Research Article

Antioxidant Effect of Standardized Extract of Propolis (EPP-AF®) in Healthy Volunteers: A “Before and After” Clinical Study

Figure 4

Tukey’s box-plot showing the urinary excretion of 8-OHDG (ng/mg creatinine) before (baseline) and after the use of EPP-AF® 375 and 750 mg (, compared with baseline).