Add a splash of fruit flavouring and a drop of antioxidant and suddenly what looks like a plain old bottle of water becomes a must-have superfood with a supercharged price tag. What a wheeze, says Sue Quinn.

 

Why are some of us crazy enough to pay a king’s ransom for liquid that, in the UK at least, comes free and clean straight from the tap? Drinks producers are having a laugh and we’re lapping up the punch line. Just wander down the drinks aisle of your supermarket or health food shop and you’ll see what I mean…