The Resupply Blog

Nobody goes to a combat zone for the coffee. But everyone who's been there has a coffee story. Here's the unofficial field manual for surviving deployment on whatever caffeine you could scrounge — ranked from the bottom of the barrel to the stuff that made you briefly forget where you were.

TL;DR Dark roast does not have more caffeine than light roast. The difference is about 6mg per cup — statistically irrelevant. The real caffeine lever is bean type: Robusta has nearly double the caffeine of Arabica. Written by Michael Klemmer,...