What has more caffeine an energy drink like Red Bull 30mg 100ml or a cup of coffee?

Here's a general breakdown:

* Red Bull: Contains about 30mg of caffeine per 100ml can.

* Coffee: Caffeine content varies widely depending on the type of bean, brewing method, and size of the cup.

Average Caffeine Content:

* Brewed coffee (8oz): 80-100mg

* Espresso (1oz): 60-80mg

* Instant coffee (8oz): 30-60mg

Conclusion:

* A typical cup of brewed coffee (8oz) has more caffeine than a 100ml Red Bull can.

* However, a small espresso can have similar caffeine levels to a Red Bull.

* Instant coffee can have less caffeine than a Red Bull.

Always check the label for specific caffeine content information.