KnowraCaffeineLinked fromLinked fromThe 30 pages that link to Caffeine, each with the reason it gives.All 30Broader topic 8Related 14Compared with 8AlkaloidBroader topic: Its widespread use makes it a familiar example of an alkaloid affecting alertness.PurineBroader topic: Its purine-derived structure connects a familiar stimulant to this chemical family.Friedlieb Ferdinand RungeBroader topic: Runge isolated caffeine from coffee beans after Goethe prompted him to investigate them.Psychoactive drugBroader topic: Its widespread use shows how psychoactive substances can be integrated into ordinary routines.StimulantBroader topic: It is the most widely consumed stimulant and commonly reduces sleepiness.Adenosine receptor antagonistBroader topic: It is the best-known adenosine antagonist and a widely consumed stimulant.MethylxanthineBroader topic: It is the best-known methylxanthine and illustrates the class's central nervous system effects.XanthineBroader topic: Caffeine is a familiar methylated derivative of the xanthine scaffold.