Coke and Diet Coke are popular drinks that contain a hearty dose of caffeine, which people may embrace or want to avoid. This article compares the caffeine contents and health effects of Coke ...

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.

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.

As for Caffeine Free Diet Coke: There's a reason I ended up having to buy a 2-liter bottle at Walgreens. People either dislike it or drink it by the fuel tanker. Don't Edit. Don't Edit.

One editor tested 8 different Diet Coke soda alternatives, including offerings from Poppi, Olipop, La Croix, and more — here are her top-rated picks.

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 ...

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.