It depends on the drink, but there's often a lot more than those ingredients. The caffeine, while the same as what's in coffee per ml, you are looking at 600ml

It depends on the drink, but there's often a lot more than those ingredients. The caffeine, while the same as what's in coffee per ml, you are looking at 600ml at a minimum for most of these drinks meaning you 2 cups of coffee for every serving.