Caffeine is how many of us start our day. Caffeine is often part of the “energy” in energy drinks, and part of what we depend on to jumpstart the morning. While caffeine is one of the most commonly ...

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 ...

If coffee, tea, or some other caffeinated beverage is part of your daily routine, you’re far from alone. A study found that 85 percent of all Americans consume at least one beverage containing ...

Bulk caffeine products may have killed at least two people and they don’t belong on the market, the Food and Drug Administration said Friday. The FDA declared concentrated, bulk caffeine products ...

Black, green, oolong, and white tea come from the Camellia sinensis plant — also known as the tea plant. The leaf extract is the oil from its leaves (1). Camellia sinensis or tea leaf extract has ...

Federal regulators issued guidance Friday making it clear that it is illegal to sell pure and highly concentrated caffeine in bulk to consumers. The Food and Drug Administration (FDA) said it's ...