There's an ongoing feud in this coffee-loving nation of ours over which chain serves better coffee: Dunkin' or Starbucks.

Read more to find out where your favorite caffeinated drink ranks. Reviewed by Dietitian Emily Lachtrupp, M.S., RD You may be ...

They're everywhere: beverages that promise to keep you energized, revved, and alert. But labels don't have to reveal how much caffeine the products pack. We will. We measured the amount in 27 top ...