I started roasting coffee years ago and something I learned early on is that, although dark roasted coffee has less caffeine, the difference between light and d

I started roasting coffee years ago and something I learned early on is that, although dark roasted coffee has less caffeine, the difference between light and dark is practically negligible. Most people just interpret coffee being bold (as in, dark roast) as being strong, but in reality it's entirely flavor and not the caffeine content.