Learn more about coffee in our everyday lives, how coffee is made, and the wealth of scientific evidence of coffee’s impact on health.
This topic provides the key facts about the composition of coffee, derived from the natural components of the coffee bean, and the effects of its roasting and subsequent brewing methods on the final composition.
Caffeine is an alkaloid occurring naturally in some 60 plant species, of which cocoa beans, kola nuts, tea leaves and coffee beans are the most well-known. Other natural sources of caffeine include yerba maté, guarana berries, guayusa, and the yaupon holly.
