Fig. 1

High hydroxytyrosol intake becomes pro-oxidant in exercised rats. Weight gain (A) and feed efficiency (B) reported throughout the study. Hydroperoxides (C) were quantified in plasma at the end of the study. ^ap < 0.05 compared with the sedentary group. ^bp < 0.05 compared with the EXE group. ^cp < 0.05 compared with the SED group. SED, sedentary; EXE, exercised; 20, group supplemented with 20 mg/kg/d of hydroxytyrosol; 300, group supplemented with 300 mg/kg/d of hydroxytyrosol