It’s most commonly found in coffee beans, tea leaves, cacao beans and kola nuts. Caffeine is also added to many common ...

Sport-Cola achieves that distinction by foregoing the extra dose of caffeine that most cola makers add to the tiny quantity present in kola nuts. In name and formula both, the beverage is aimed ...

The most famous of these is caffeine. Caffeine is produced as an insecticide by plants, and many species contain it – including Kola nuts (used to make Cola drinks), cocoa beans and tea leaves ...