The filtered water and the Coca-Cola syrup used, McDonald's adds, are pre-chilled before they enter fountain dispensers, with extra syrup added so that when ice is added to a drink, it allows for ...

Murray Carpenter’s book spans a century of such arguments. As early as 1909, the head of the Bureau of Chemistry in the US was seizing a consignment of Coke syrup on the basis that it was “addictive” ...