ORAC stands for Oxygen Radical Absorbance Capacity. This means the stuff absorbs free radicals which are unstable molecules that harm our cells and contribute to various diseases. Tangy Tangerine tabl... View MoreORAC stands for Oxygen Radical Absorbance Capacity. This means the stuff absorbs free radicals which are unstable molecules that harm our cells and contribute to various diseases. Tangy Tangerine tablets have 160,000 ORACs which is a crazy amount. The liquid or powder forms of Tangy Tangerine have 5000 to 8000 ORAC points.