Kola drinks owe their vogue to the caffeine which they contain.
Coffee owes its stimulating and refreshing qualities to caffeine.
The residue left in the retort is a mixture of caffeine and a resinous substance containing chlorophyll.
Caffeine separated by Oudry, and quinin by Pelletier and Caventou.
It's loaded with caffeine—a drug that is both a strong stimulant and a diuretic.