In this lab, students will determine the amount of caffeine in a beverage. Students will determine the retention time of pure caffeine. From this information, students will be able to identify the ...

Is your caffeinated buzz from a natural or artificial source? Researchers in Germany have now developed an easy way to determine whether drinks contain natural or synthetic caffeine (Anal. Chem., DOI: ...

The caffeine in energy drinks is higher than what teens should get in a day, Consumer Reports' tests of energy drinks show.

An average 8–ounce (oz) cup of coffee contains around 80–100 milligrams (mg) of caffeine. However, the caffeine content can vary considerably depending on several factors such as coffee type, brewing ...

While black tea, espresso, and coffee bring the most caffeine to the table, green tea packs a moderate amount as well. The content in white teas varies greatly, while herbal teas are practically ...

Decaf coffee is not completely caffeine-free. While it has at least 97% of caffeine removed, virtually all decaf coffees still have about 7 mg per 8-ounce (236-ml) cup. Share on Pinterest Coffee is ...