Coffee was so important in wartime America during World War II that the government rationed it briefly so soldiers could get enough. Coffee was one of four staples for Civil War soldiers, along with beans, beef and hardtack. After Boston Tea Partiers dumped that tea in the harbor during the Revolution, coffee drinkers were considered patriotic.
Coffee can give a soldier the alertness he needs in times of prolonged sleep loss or during dangerous combat situations.
“Coffee was really more important to the average soldier than anything else he could beg, borrow, or steal,” says an article on food rations in the Civil War. “It got him up in the morning and put him to bed at night. Properly made it could float a horseshoe, or dissolve it. Like the Missouri River, it was too thick to swim in and too thin to walk on, and would make a jackrabbit spit in a rattlesnake’s eye.
“There is no record of exactly what type of coffee was issued to the Northern troops. Neither the Library of Congress nor Official Records give any clue, other than the fact that the North bought the very best coffee it could buy. The South bought anything it could buy.”
Today there are detailed records about the coffee and other caffeinated products the U.S. military feeds its personnel—and there are many. Products soldiers take into the field with them include caffeinated beef jerky called Perky Jerky, mints, gum, energy bars and applesauce, which the military calls Zapplesauce. These products contain about 100 mg of coffee per serving. That compares to about 163 mg in an average cup of Joe.
Wired.com has an excerpt from the book Caffeinated: How Our Daily Helps, Hurts and Hooks Us by Murray Carpenter that states:
“’A chemical substance which stimulates brain, nerves, and muscles, is a daily necessity and is used by every single nation. When there is fatigue and the food is diminished such a stimulant is indispensable, and must be an ingredient of every reserve and emergency ration.’ That’s from the 1896 Report of the Secretary of War, and more than a century later, the U.S. military is still trying to figure out how best to caffeinate soldiers.”
The Wired story says some soldiers put instant coffee in their cheeks like chew. Similarly, the military gum delivers the caffeine sublingually, so it only takes five or 10 minutes for the invigoration to begin as compared to a half hour or more for pills or beverages.
A storyon CaffeineAndYou.com says:
Soldiers are getting a new arsenal of powerful weapons, but these are the kind you eat. Beef jerky, chocolate pudding, gum, mints, juices – all caffeine-enhanced – are now standard weapons to fight soldier fatigue and enhance alertness. The U.S. Department of Defense and military divisions of Canada, Australia, New Zealand and the United Kingdom are jointly researching – and recommending – the use of caffeine on the battlefield. Caffeine has long been part of a soldier’s toolkit. In 1942, Winston Churchill asserted that tea was more important to his soldiers than ammunition. In Vietnam, soldiers literally ate instant coffee to stay awake.
The gum developed by Walter Reed Army researchers and Wrigley’s Gum was originally called Stay Alert but is now called Military Energy Gum. American soldiers like the product, and now Israeli pilots keep caffeinated gum with them on mission that go on longer than 48 hours, CaffeineAndYou.com says.
The gum is available on Amazon.com for $28 per 120 pieces.
Two pieces was more than enough to feel the effects, the biggest difference between the usual energy drink rush and a caffeinated gum rush is that much more caffeine is absorbed through the blood vessels under the tongue than through the stomach. The package states that within 15 minutes of chewing, 99% of the caffeine has been absorbed. … if you’re looking for a speedy caffeine fix there’s no beating this. … A word of caution to anyone wanting to try this gum, multiple people I talked to said that in the 10 minutes following the 5 minute cinnamon flavor they felt what they could only describe as “sick.” Not a vomit sort of sick but they said it was similar to feeling the need to gag. I assured them they would be fine and to stick it out and all of them ended up loving it. If the gum is bitter it means there is still caffeine left to absorb, once the caffeine is gone it will be a mild enjoyable taste for as long as you choose to chew.
There is little word in these stories about unsafe levels of caffeine, though soldiers should be aware that heavy caffeine use can cause insomnia, nervousness, muscle tremors and stomach upset. Excess caffeine can also cause irritability, headaches restlessness, excessive urination and fast heartbeat. These side effects come with what MayoClinic.org calls heavy caffeine use of 500 to 600 milligrams per day.
A Viter Life blog states: “But just exactly how much caffeine is safe? About 300 to 400 milligrams of caffeine are right for an adult, about 100 mg for adolescents and none for children.”
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Is there a big difference between synthetic and natural caffeine? Which gives a stronger jolt? Does it even matter?
Natural caffeine in coffee, tea, and chocolate is much less common than the synthetic caffeine found in so many other products.
Caffeine is found in plant species such as the more popular ones like Coffea arabica and Coffea robusta, as well as tea leaves, kola nuts, cacao beans, Yerba mate and guarana berries.
Not only does naturally-occurring caffeine from said plants keep your cognitive functions at their peak, but it also contains antioxidants that help you fight illnesses like cancer and Alzheimer’s.