Coffee is a beverage brewed from coffee beans. It is the biggest source of caffeine worldwide.
Coffee contains caffeine, a substance that may boost your mood, metabolism and mental and physical performance.
What Is Caffeine?
Caffeine is a naturally occurring substance that belongs to a group of compounds called methylxanthines.
It is found in over 60 plants worldwide, including the humble coffee bean and the berries of the guarana plant. It’s believed that the caffeine in these plants helps to protect them from insect damage. For us humans, it acts as a stimulant and is the most commonly consumed psychoactive substance in the world.
Studies have also shown that it’s safe for most people when consumed in low-to-moderate amounts.