Matcha's caffeine content can vary depending on how it is grown, brewed, and its quality. Find out how much caffeine is in a ...

They're everywhere: beverages that promise to keep you energized, revved, and alert. But labels don't have to reveal how much caffeine the products pack. We will. We measured the amount in 27 top ...

Food and beverages with high caffeine content may soon require clear labeling, and their effects may be studied after a spate of wrongful death suits and cardiac incidents across the country tied ...