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 ...

For even more energy, a Diet Coke provides a little more zip ... Still, not even a can of Sun Drop can rival the caffeine content in a cup of coffee. if you really want the most energy possible ...

At one point, the Tesla and SpaceX CEO was reportedly consuming eight cans of Diet Coke ... his office now has caffeine-free Diet Coke. Sure, we're all guilty of craving a coffee pick-me-up ...