--- title: "28 Interesting Facts About Caffeine" url: https://www.kickassfacts.com/caffeine-facts/ date: 2017-09-22 modified: 2017-09-22 lang: en author: "jazz" description: "Here are 28 Interesting Caffeine facts. 1-5 Caffeine Facts 1. Dark roast coffee actually has less caffeine than light roasts. - Source 2. A Starbucks grande coffee has 320 milligrams..." categories: - "Fact List" - "Food" image: https://www.kickassfacts.com/wp-content/uploads/2017/09/coffee-caffeine.jpg word_count: 724 --- # 28 Interesting Facts About Caffeine Here are 28 Interesting Caffeine facts. ## 1-5 Caffeine Facts [![](https://www.kickassfacts.com/wp-content/uploads/2017/09/Coffe-roaster.jpg)](https://www.kickassfacts.com/wp-content/uploads/2017/09/Coffe-roaster.jpg)Image credit: en.wikipedia.org 1. Dark roast coffee actually has less caffeine than light roasts. - [Source](https://en.wikipedia.org/wiki/Coffee_roasting#Roasts) 2. A [Starbucks](https://www.kickassfacts.com/30-amazing-starbucks-facts/) grande coffee has 320 milligrams of caffeine, over four times the amount of caffeine in a Red Bull. - [Source](http://www.businessinsider.com/15-facts-about-starbucks-that-will-blow-your-mind-2011-3?op=1&IR=T) 3. In 2010, Dave Grohl was admitted to hospital due to a drug overdose. He had consumed too much caffeine from coffee whilst recording a new album. - [Source](http://metro.co.uk/2010/03/23/dave-grohl-rushed-to-hospital-after-coffee-overdose-187627/) 4. Keurig coffeemaker co-inventor John Sylvan went to the ER reporting tunnel vision and heart palpitations. After a few tests, the doctors had no clue so they asked questions like "how much [coffee](https://www.kickassfacts.com/25-interesting-facts-about-coffee/) do you drink?" To which John replied, "30 or 40 cups a day." The diagnosis was caffeine poisoning. - [Source](http://archive.boston.com/business/articles/2011/08/07/the_inside_story_of_keurigs_rise_to_a_billion_dollar_coffee_empire/) 5. Ingesting caffeine will caffeinate your semen. - [Source](https://www.ncbi.nlm.nih.gov/pubmed/6715563) ## 6-10 Caffeine Facts [![](https://www.kickassfacts.com/wp-content/uploads/2017/09/Coffee_Flowers.jpg)](https://www.kickassfacts.com/wp-content/uploads/2017/09/Coffee_Flowers.jpg) 6. The caffeine in the coffee plant, like capsaicin in chili peppers, is meant to be a toxic substance to deter herbivores. - [Source](https://en.m.wikipedia.org/wiki/Coffea#Ecology) 7. In 2010, a man swallowed two spoonfuls of pure caffeine and quickly collapsed and died. - [Source](http://www.nydailynews.com/news/world/man-dies-caffeine-overdose-ingested-spoonfuls-powder-equivalent-70-cans-red-bull-article-1.450469) 8. A monastery in the [UK](https://www.kickassfacts.com/30-kickass-and-interesting-facts-about-london/) makes as fortified [wine](https://www.kickassfacts.com/30-kickass-interesting-facts-about-wine/) called Buckfast that has 15% [alcohol](https://www.kickassfacts.com/30-kickass-and-interesting-facts-about-alcohol/) and as much caffeine as 8 cokes per bottle. Despite being made by monks, it is synonymous with crazed blackouts and underage use. - [Source](https://en.m.wikipedia.org/wiki/Buckfast_Tonic_Wine) 9. Diet soft drinks have significantly more caffeine than their regular versions. Diet Coke, for example, has 30% more caffeine than regular Coke. - [Source](https://www.diet-blog.com/07/the_10_most_caffeinated_diet_drinks.php) 10. Caffeine is a painkiller, and when used with other painkillers, such as Acetaminophen or NSAIDs, potentiates their effects significantly. - [Source](http://worldofcaffeine.com/controlling-pain/) ## 11-15 Caffeine Facts [![](https://www.kickassfacts.com/wp-content/uploads/2017/09/nap.jpg)](https://www.kickassfacts.com/wp-content/uploads/2017/09/nap.jpg) 11. British researchers in 1996 found that the best nap was a short one taken just after intaking caffeine. - [Source](http://en.wikipedia.org/wiki/Power_nap#The_caffeine_nap) 12. Scientists in Portugal found a way to ferment coffee beans into 80 proof booze, destroying the caffeine in the process. - [Source](https://www.pcworld.com/article/2046043/scientists-turn-coffee-into-booze-stop-short-of-recreating-four-loko.html) 13. In Lithuania, you have to be 18 years old to purchase beverages with more than 150 milligrams of caffeine per liter. - [Source](https://www.rt.com/news/201727-energy-drinks-ban-minors-lithuania/) 14. A UK university was fined £400,000 after 2 students were accidentally given a lethal dose of caffeine during a scientific experiment. Because of a misplaced decimal point on the phone used to calculate the caffeine dosage, they received 30g instead of the planned 0.3g. The lethal dose is 18g. - [Source](https://www.rt.com/viral/375088-lethal-dose-caffeine-test/) 15. Caffeine, a stimulant, has actually been shown to calm down people with ADHD and help them concentrate. - [Source](https://psychcentral.com/lib/caffeines-effect-on-adhd-symptoms/) ## 16-20 Caffeine Facts [![](https://www.kickassfacts.com/wp-content/uploads/2017/09/Kolanut.jpg)](https://www.kickassfacts.com/wp-content/uploads/2017/09/Kolanut.jpg)Image credit: en.wikipedia.org 16. The Cola gets its name from the kola nut, a caffeine-containing fruit of the kola tree, which is used as a flavoring ingredient in beverages. - [Source](https://en.wikipedia.org/wiki/Kola_nut#Uses) 17. Some orthodox Jews in the New York area use caffeine suppositories for fasting because it's not "eating". - [Source](http://www.brooklynpaper.com/stories/33/39/all_caffeinesuppositories_2010_09_24_bk.html) 18. Caffeine was actually evolved as a natural insecticide, and that it paralyzes/kills insects who try to eat the plants. - [Source](https://www.thoughtco.com/chemistry-of-caffeine-608500) 19. The fish in the Pacific Ocean is full of caffeine. - [Source](https://greenerideal.com/news/environment/0804-jittery-fish-how-caffeine-is-infiltrating-the-pacific/) 20. It only takes 18 days to build a complete tolerance to a given daily dosage of caffeine. - [Source](https://en.wikipedia.org/wiki/Caffeine_dependence) ## 21-25 Caffeine Facts [![](https://www.kickassfacts.com/wp-content/uploads/2017/09/Coffehouse.jpg)](https://www.kickassfacts.com/wp-content/uploads/2017/09/Coffehouse.jpg)Image credit: en.wikipedia.org 21. In 1912, Congress nearly banned caffeine as a harmful substance. - [Source](https://en.wikipedia.org/wiki/Caffeine#History) 22. Spiders can get high and build different webs on weed, caffeine, mescaline, and LSD. - [Source](http://mentalfloss.com/article/51967/what-does-marijuana-do-spiders) 23. According to the American Psychiatric Association, caffeine withdrawal is officially a mental disorder. - [Source](http://www.coffeeandhealth.org/2013/05/american-psychiatric-association-includes-caffeine-withdrawal-in-the-latest-edition-of-its-diagnostic-and-statistical-manual-of-mental-disorders-dsm-5/) 24. Monster (and other energy drink companies) have more caffeine than legally allowed in a soft drink due to the company classifying the beverage as a "supplement." - [Source](https://www.livescience.com/28061-energy-drinks-list-caffeine-content.html) 25. Antarctic explores Shackleton and Scott relied on "Forced March" a pill containing cocaine and caffeine. - [Source](http://www.npr.org/sections/health-shots/2012/09/27/161881513/cocaine-for-snowblindness-what-polar-explorers-packed-for-first-aid) ## 26-28 Caffeine Facts [![](https://www.kickassfacts.com/wp-content/uploads/2017/09/Ilex_vomitoria.jpg)](https://www.kickassfacts.com/wp-content/uploads/2017/09/Ilex_vomitoria.jpg)Image credit: en.wikipedia.org 26. Native Americans brewed a drink from common shrub Ilex vomitoria, which contains nearly as much caffeine as coffee. You could be growing your morning fix in your backyard. - [Source](https://en.wikipedia.org/wiki/Ilex_vomitoria#Cultivation_and_uses) 27. Mountain Dew in [Canada](https://www.kickassfacts.com/30-kickass-interesting-facts-about-canada-part1/) didn't have caffeine until early 2012. - [Source](https://www.caffeineinformer.com/caffeine-content/mountain-dew) 28. There is a type of coffee called Death Wish Coffee that holds the world record for highest caffeine content and has 200% more caffeine than your 'average joe'. - [Source](https://www.deathwishcoffee.com/)