Caffeine is an alkaloid compound that stimulates the central nervous system and is most commonly consumed in beverages such as coffee, tea, energy and soft drinks. It is a psychoactive substance that improves alertness, provides a stress-relieving mood boost and enhances mental performance. Caffeine is added as an ingredient in a wide variety of products beyond beverages including pain...
English
Arabic
Français
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian