Coffee drinkers looking for exact right coffee hit may be wondering if typical American drip coffee or espresso has more of ...

Research shows that instant coffee usually contains less caffeine than regular coffee. One 6 oz cup contains roughly 45 mg or an average of about 57.1 mg. Although the name may be deceiving ...

Starbucks serves 75 milligrams of caffeine in each of its .75-ounce espresso shots. Dunkin Donuts claims a hefty 118 milligrams per shot. In comparison, drip coffee ranges from around 12 to 16 ...

Starbucks Refreshers offer a fruity alternative to coffee, with caffeine levels varying by size and flavor. A Tall Refresher ...

In an effort to get a burst of energy, most people turn to caffeine to get their fix. And while drinking an extra-large cup ...

The good news is that Turkish tea has a moderate amount of caffeine, with an average of 50-70 mg per 8 oz cup. This makes it a great alternative to coffee for those who want a little pick-me-up ...

We sampled popular flavors from major brands including Red Bull, Monster, and Celsius, to find the tastiest energy drink ...

Maltepe and Mike published their findings Oct. 21 in the journal Stroke. In the new study, 30 pregnant sheep received either a single intravenous dose of one gram of caffeine, which is equal to about ...