Coke contains 32 mg of caffeine per 12-ounce (335-ml) serving. Diet Coke is higher in caffeine, with about 42 mg per 12 ounces (335 ml). How the Caffeine in Coke Compares.

Diet Pepsi actually contains less caffeine than Diet Coke, with a 12-ounce can of the former containing 35 milligrams of caffeine. A 12-ounce can of Diet Mountain Dew, on the other hand, contains ...

Another major difference between Diet Coke and Coke Zero, Sharp points out, is caffeine content. A 12-ounce can of Diet Coke has about 46 milligrams, while Coke Zero has 34 milligrams.

Coke Zero has less caffeine than Diet Coke. However, both beverages are well below the recommended daily caffeine limit of 400 mg per day for adults. One debatable difference is the taste of these ...

Diet Coke’s intense sweetness, caloric emptiness, and caffeine content hacks our most innate neurological and psychological responses to keep us unconsciously reaching for another bottle.

For a brand that is perhaps more synonymous with American culture than any other, Diet Coke is devoid of pretty much anything. With zero calories and 46 milligrams of caffeine, the soda is much as ...

One can of Diet Coke has 46 milligrams of caffeine in it; however, many of the people concoting their protein-Diet Cokes are almost filling up a 32-ounce plastic cup before adding in the protein ...

One can of Diet Coke has 46 milligrams of caffeine in it; however, many of the people concoting their protein-Diet Cokes are almost filling up a 32-ounce plastic cup before adding in the protein ...

Diet Coke has more caffeine than its regular Coke counterpart (34 milligrams per 12 ounces), and, according to Coca-Cola itself, taste is a big reason why.