High street coffee chains offer “huge” differences in the amount of caffeine they serve, leaving customers with little idea how much they are consuming, a study has found.
A medium cappuccino at Costa contains a “massive” 325mg of caffeine – around the amount contained in four cups of tea – almost five times the strength of a cappuccino from Starbucks, which contains the least at 66mg, Which? found.
Cappuccinos from Greggs and Pret a Manger also contain significantly less caffeine than Costa, as 197mg and 180mg respectively.
