Acerola is an exotic fruit that is one of the highest sources of Vitamin C found in nature. Apart from its Vitamin C content, Acerola also abounds with a broad range of anthocyanins, which are powerful free radical scavengers.* NOW&ampreg; Acerola Powder is a 4:1 concentrate with added Ascorbic Acid that yields 170 mg of Vitamin C per serving and tastes great!