In this method, caffeine is extracted from tea. The type of tea that is used isn't very important (as long as it is ...

Green tea extract and caffeine are often combined in supplements to enhance energy, focus, and fat metabolism. When taken together, they may offer synergistic benefits but raise the risk of side ...

Caffeine is a common feature of many sodas, coffee, and food products. It’s a drug that is made naturally in the leaves and seeds of many plants and gives an energy boost when consumed. But how long ...

I’ll never know how much caffeine I consumed the night I practically drank my weight in Typhoo tea, but given the fact that I stayed awake for 24 hours, it was an awful lot. The tea was delicious, the ...

Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

Do certain coffee brewing methods extract more caffeine than others? We chat with a coffee brewing expert about caffeine content of each type. Whether it’s cold brew, espresso, or good ol’ pour over, ...

In the land of venti pumpkin spice lattes and caramel macchiatos, Americans frequently partake in caffeine fixes. In fact, most people in the U.S. consume caffeine daily, primarily in the form of ...

According to the FDA, healthy adults shouldn't consume more than 400mg of caffeine daily. This amount of caffeine equates to about four cups of coffee or two 5-Hour Energy shots. Too much caffeine can ...

Before college, I hardly consumed caffeine in any form. I'd have a cup of coffee here and there because I liked the way it tasted. But, as a freshman in college obsessed with getting good grades, I ...