Many fruits have antioxidant benefits, but Acai berries stand out from the rest. One way to measure antioxidant benefits is their Oxygen Radical Absorbance Capacity, or ORAC. Acai berries have one of the highest ORAC values in the world. Nature's Way Acai Standardized Extract is a high quality vegetarian formula that carries Acai's powerful protection against damaging free radicals. This supplement is guaranteed to have a minimum of 10 percent polyphenols, a major component of Acai's antioxidant power.