Dunkin', or Dunkin' Donuts as it was originally called ... Columbian (Medium Roast), Dunkin' Midnight (Dark Roast) and a wide range of flavored coffees. So if you want some different Dunkin ...

Yet, Starbucks' dark roast offers more caffeine per ounce than Dunkin's midnight dark roast blend. (It's important to note the "per ounce" distinction, because you'll have a hard time comparing ...