In this method, caffeine is extracted from tea. The type of tea that is used isn't very important (as long as it is caffeinated). The amount of caffeine recovered is small, but this is for fun and not ...

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 ...

Adam Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...