Present in many dark berries such as pomegranate, noni, blueberries, and blackberries, as well as in certain types of tea and coffee, especially green tea. Coffee is often depleted of antioxidants due to the high-temperature roasting process.

Applied Food Sciences has introduced Healthy Roast, a product that removes antioxidants from the green coffee beans before roasting and then adds them back when beans are quenched. The FDA may have recently suggested that the average person should consume up to 7000 ORAC units daily, in order to reduce the risk of cancer. As this is nearly 12 servings of high-ORAC-value fruit, the use of nutritional supplements containing bio-flavonoids is likely necessary to reach this target.