If you're not a coffee drinker, you might reach for a can of soda ... For example, a 12-ounce can of Diet Coke has 46 milligrams of caffeine, while a can of Diet Pepsi has 35 milligrams. If you ...

A 230 ml cup of instant coffee has about 62 milligrams of caffeine ... One can of Coke (350 ml) has 34 mg of caffeine. Pepsi contains 38 mg, Diet Coke has 46 mg, while Mountain Dew has 54 mg caffeine.

This usually translates to about one 12 oz cup of coffee or less, depending on the strength of the brew and other caffeine ...