It has been discovered that the coffee with the most amount of caffeine in it is Costa\u2019s medium sized cappuccino which contains 325mg of caffeine, the same as 4 cans of Red Bull. Do you know how much caffeine you\u2019re drinking and why is there such disparity in coffee shops? \n\nSean was joined in studio by James McCormack, CEO of the Dublin Barista School to discuss...