Decaffeinated varieties, such as caffeine-free Coca-Cola, are also available for those looking to cut their caffeine intake. Summary. Coke contains 32 mg of caffeine per 12-ounce (335-ml) serving.

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

Many migraine sufferers swear by the home remedy. We asked the experts to explain why soda can effectively alleviate painful ...