This amount of caffeine equates to about four cups of coffee or two 5-Hour Energy shots. Too much caffeine can lead to an upset stomach, anxiety, headache, insomnia, and more. If grabbing a coffee ...

But is that too much? First the good news. It's almost impossible to overdose on coffee. There is a lethal dose of caffeine but it's somewhere around 10 grams and the average cup of Joe has around ...

Too much caffeine can lead to dangerous side effects and, as has been seen in extreme cases, even death. Caffeine is a compound that occurs naturally in coffee beans, tea leaves, cacao pods and ...

No. They have zero health benefits. What they do have is large amounts of caffeine and sugar. Drinking too much caffeine can raise your blood pressure and heart rate, and cause anxiety and insomnia.