Are caffeine drinks ‘status symbols’ for our teens? Said to be worth £1.7b , caffeinated energy drinks make a sizeable dent in the UK economy, accounting for approximately 5% of the total ...

Guarana stands out for its impressive caffeine content, with berries containing 2 to 8 percent caffeine—far exceeding the 1 to 3 percent in coffee beans. In addition to caffeine, guarana is rich ...

Eye On Your Health: Coffee and caffeine 03:40. Panera is being sued by the parents of a college student with a heart condition who died after drinking its Charged Lemonade, which the lawsuit ...

Like with any substance, the safety of caffeine depends largely on the dose. Decades of research has shown that up to 400 milligrams a day, or the equivalent of roughly two or three cups of coffee ...

Comparing the caffeine content of Panera's Charged Lemonade per ounce shows it's on par with leading chains' dark roast coffees. But its regular size is 20 ounces, which is more than the typical ...

An 8-ounce (240-ml) serving of Red Bull or Monster provides only slightly less caffeine than the same amount of coffee. Up to 400 mg of caffeine per day is generally safe.

Most people drink coffee and tea to help stay awake. But scientists warn against overconsumption—and that higher dosage caffeine drinks can lead to stress, lack of sleep, and even death.

By comparison, 20 ounces of coffee (the equivalent of roughly 2.5 cups) contains 220 mgs, while the same volume of Red Bull has approximately 185 mgs of caffeine.