1 Cacao is the purest form of chocolate you can consume, which means it is raw and much less processed than cocoa powder or chocolate bars. 2  Cacao is thought to be the highest source of antioxidants of all foods and the highest source of magnesium of all foods. Cacao butter is removed from the bean during production and the remaining part of the fruit is used to produce raw cacao powder. 2  Cacao nibs are simply cacao beans that have been chopped up into edible pieces, much like chocolate chips without the added sugars and fats.