You’ll get about 34 mg of caffeine from a standard 12-ounce can of Coke. That’s a bit less than Pepsi’s 38 mg or Mountain Dew’s 54 mg per 12 ounces. But Coke packs more of a caffeinated punch than 7-Up, with its negligible caffeine content.
When it comes to soda, you’ll want to check those nutrition labels if you’re watching your caffeine intake.