Caffeine was a type of drug that was a legal chemical compound that was found in certain plants, such as coffee beans. It was the most consumed drug in the world.
It was a common ingredient in most types of coffee, which were often consumed in the mornings after a person awakens from sleep to help a person become more alert. It was also commonly consumed during rest breaks.
References
- ↑ As seen in Ben 10 and the Super Friends.