Did Fort Drum ban energy drinks from barracks vending machines? December 17, 2020 Spc. Kevin Alexander of 138th Quartermaster Company grabs an energy drink at the Camp Atterbury Post Exchange. Most energy drinks contain anywhere from 70 to 200 milligrams of caffeine. The daily recommended intake of caffeine is no more than 300 milligrams. (Army/Staff Sgt. David Bruce) Social media reports surfaced Thursday of an energy drink ban at Fort Drum, as the popular U.S. Army W.T.F. Moments Facebook page shared an image of an apparent Army and Air Force Exchange Service sign saying that “Energy drinks have been removed by order of the garrison.”