Life Extension Blueberry Extract and Pomegranate delivers full spectrum food-based polyphenols. Blueberries are one of the fruits or vegetables with the highest capacity to defend against free radicals. Blueberry extract promotes cognitive function, maintains healthy blood flow and supports vascular function. Life Extension's formula also features pomegranate extract. This fruit has polyphenols, tannins and anthocyanins—all beneficial antioxidants.