Linked from

The 30 pages that link to Caffeine, each with the reason it gives.

• Sleep deprivationRelated: It may blunt sleepiness temporarily but does not replace lost sleep.

• AdenosineCompared with: Caffeine reduces adenosine signaling by competing at receptor binding sites.

• AlkaloidBroader topic: Its widespread use makes it a familiar example of an alkaloid affecting alertness.

• cAMPRelated: Its phosphodiesterase inhibition can slow cAMP breakdown, though this is not its only action.

• PurineBroader topic: Its purine-derived structure connects a familiar stimulant to this chemical family.

• Camellia sinensisRelated: Tea leaves produce caffeine as a defense against herbivores.

• Black teaRelated: Black tea delivers caffeine, though the amount varies with leaves and brewing.

• Green teaRelated: Green tea contains caffeine, with amounts varying by leaf and preparation.

• Sleep homeostasisRelated: It masks some effects of rising pressure without removing the underlying need for sleep.

• CoffeeRelated: It is one of coffee’s best-known active compounds and contributes to its physiological effects.

• Cold brew coffeeRelated: Cold brew caffeine content depends on recipe, serving size, and whether concentrate is diluted.

• Friedlieb Ferdinand RungeBroader topic: Runge isolated caffeine from coffee beans after Goethe prompted him to investigate them.

• Herbal teaCompared with: Most herbal teas contain no caffeine, unlike infusions made from tea leaves or mate.

• Psychoactive drugBroader topic: Its widespread use shows how psychoactive substances can be integrated into ordinary routines.

• CreatineCompared with: It can affect exercise performance through nervous-system stimulation rather than phosphate storage.

• 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.

• Energy drinkRelated: It is the main stimulant in most energy drinks.

• MethylxanthineBroader topic: It is the best-known methylxanthine and illustrates the class's central nervous system effects.

• ModafinilCompared with: It is a familiar wake-promoting drug whose primary mechanism differs from modafinil's.

• TheobromineCompared with: Theobromine is less potent as a central stimulant and has a longer-lasting, milder profile.

• XanthineBroader topic: Caffeine is a familiar methylated derivative of the xanthine scaffold.

• TheophyllineCompared with: Caffeine is a familiar relative with stronger stimulant use and different therapeutic applications.

• WakefulnessRelated: It can temporarily support alertness without replacing sleep.

• Hibiscus teaCompared with: Pure hibiscus infusion contains no caffeine, unlike traditional tea from Camellia sinensis.

• Kola nutRelated: This alkaloid contributes to the alerting effect of chewing kola nut.

• Energy (everyday usage)Related: It can make people feel more alert without replacing sleep or bodily fuel.

• TaurineCompared with: Caffeine, not taurine, is the established stimulant commonly paired with taurine in energy drinks.

• Chaleo YoovidhyaRelated: It is a key active ingredient in energy drinks such as Krating Daeng and Red Bull.

• Coffee (beverage)Related: It is one of coffee’s best-known active compounds.