From chocolate to chewing gum, uncover how these sneaky sources may be affecting your sleep and energy levels. Are you ...

With a cup of coffee or tea with breakfast, a soda in the afternoon and a piece of chocolate after supper, caffeine is part ...

The amount of caffeine in a cup of coffee can vary based on the type, serving size, method of preparation, and bean variety, among other factors. Coffee is the biggest dietary source of caffeine.

Caffeine was widely used by ancient civilizations. It was traditionally consumed from natural sources like tea, coffee, cacao beans and cola nuts and appreciated for its stimulating effects on the ...

while sports nutrition products and other supplements may contain caffeine from either natural or synthetic sources. Nanci Guest, a sports dietitian at the University of Toronto, says that anyone ...

Caffeine was widely used by ancient civilizations. It was traditionally consumed from natural sources like tea, coffee, cacao beans and cola nuts and appreciated for its stimulating effects on the ...