Acai is a dark purple berry indigenous to the Amazon rainforest, is a nutritious and powerful fruit, valued for its rich nutrients, including anthocyanins. Anthocyanins are naturally occurring plant compounds that give the berry its rich, dark color as well as provide antioxidant protection. With a high ORAC (oxygen-radical absorbance capacity) value - twice that of blueberries - Acai could be considered the berry of choice for good health.