Olive Leaf Extract for Antioxidant Support

Research suggests that olive leaf extract contains bioactive compounds, particularly oleuropein and related polyphenols, that demonstrate antioxidant properties in laboratory and some human studies, with findings generally indicating an ability to scavenge free radicals and reduce markers of oxidative stress. The available evidence base includes a mix of in vitro, animal, and a smaller number of human studies, and the overall direction of the literature is cautiously supportive of antioxidant activity, though the clinical significance in humans remains an area of ongoing investigation. It is worth noting that the current evidence synthesis drew on limited sourced material, which constrains the strength of conclusions that can be drawn. As with many botanical supplements, variability in extract standardization, study design, and population differences means that findings should be interpreted with appropriate caution.