Definition: Means a flavoured, non-alcoholic beverage, or a flavoured, non-alcoholic beverage to which other substances (for example, carbohydrates, amino acids, vitamins) have been added, that: (a) contains caffeine; and (b) has the purpose of enhancing mental performance. To avoid doubt, a formulated caffeinated beverage is water based flavoured drink for the purposes of item 14.1.3 of section S15—5 and of section S18—10.
As per: FSANZ