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 ...

Monster, one of the top two energy beverage brands along with Red Bull, reported Q4 energy drink sales of $1.67 billion, which was up from $1.60 billion, or 4.5%, from the year-ago period.

If you look closer at your energy drink label, you may find: Caffeine. A 16-ounce energy drink can have 70 to 240 milligrams (mg). But an energy shot can have 100 to 200 mg of caffeine.