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 ...

COLUMBUS, Ohio (AP) - The Food and Drug Administration has issued warning letters to five distributors of pure powdered caffeine, saying the products put consumers at risk. The letters, which are ...

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 ...

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 ...

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 ...

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 ...