Having worked in a coffee shop in a past life, I remember getting a lot of questions about what has the most caffeine.  The assumption was that espresso has more caffeine than drip coffee and drip coffee  has more caffeine than tea.  Wrong.  Many people (who are into this sort of thing) will also spend hours debating these caffeine topics.  So they may have a hard time believing this info…

Here’s a chart that lists the amount of caffeine in certain drinks by product.

It looks like a Starbucks 16 ounce drip coffee contains the most caffeine (by far) than any of the competitors (550 mg!)  The same size Starbucks Caffe Latte has only 70 mg of caffeine.  And tea was even less than this…