A single coffee could have as much as 93mg of caffeine in it. Expect around 42mg in a standard cuppa, if not less (Picture: Getty)English Breakfast tea or black tea tends to come in at around 42mg per mug, says Caffeine Informer. Of course, it’s also possible to get decaf English Breakfast or black tea if you want to cut back. Diet Coke has more caffeine than a regular Coca-Cola (Picture: George Frey/Getty Images)A single can of Diet Coke contains 46mg of caffeine, confirms the Coca-Cola Company. Interestingly, this is around the same as a fully-steeped cup of tea, or about half of black coffee.

Source: The Star April 16, 2022 12:44 UTC