Oxi-Fend Beranza is supplied to us by our exclusive partner, New Zealand Extracts Co. Oxi-Fend Beranza is an extract from boysenberries, a cross between loganberries and blackberries, of which New Zealand grows most of the world’s crop. Beranza is extracted using the AquaPure extraction method. It contains high levels of ellagitannin and anthocyanin antioxidant compounds unique to berries.