Biohazard Coffee is recognized as the strongest coffee in the world. It has a caffeine content of 928mg per 12-ounce cup, which is more than double the daily recommended dose of caffeine and a lot more than most energy drinks.

The title of ‘world’s strongest coffee’ has been attributed to various brands over the last decade. In 2013, we wrote about Death Wish, a blend that promised 200% the caffeine content of the average dark roast, and then there was Black Insomnia Coffee, a brand that boasted a caffeine content of 702 mg per 12-ounce cup. But now we have another title holder, and this one is going to be tough to beat. Launched in 2016, Biohazard Coffee has established itself as the strongest coffee money can buy, with a caffeine content that makes it barely safe to consume.

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The International Food Information Council recommends a daily caffeine intake of 300 mg, while the FDA recommends 400 mg, but just one 12-ounce cup of Black Insomnia brew contains 702 mg of caffeine, which will definitely keep you up at night and may even cause some health problems.

Black Insomnia Coffee was founded in 2016 by South African coffee lover Sean Kristafor. From the very beginning, his goal was to create the strongest coffee in the world, and he managed to do it by using the stronger Robusta variety, instead of the more aromatic Arabica. The secret to its high caffeine content is apparently in the way that the coffee beans are roasted, but Kristafor is obviously not interested in revealing the process. He only says that they can make it considerably stronger, and actually had to dial it down a bit for the commercial version, just so it was safe to consume.

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If you feel regular coffee isn’t strong enough to keep you awake and focused through the day, you might want to try a big cup of Death Wish. It’s advertised as the world’s strongest coffee and allegedly has 200% more caffeine that the average dark roast.

The name isn’t too encouraging for the faint-of-heart, but if you’re not too put off by it and the skull-and-bones logo on the pack, Death Wish may just become the best friend you could hope for. Upstate New York roaster Death Wish Coffee claims they have found a highly caffeinated bean that gives coffee that full Arabica flavor and double the buzz. The creators of this powerful roast explain that while Arabica coffee is smoother and more flavorful than the harsher Robusta variety, it also has a much lower caffeine content. Also, dark roast coffee is weaker than a light roast, because the longer you “cook” it, the more caffeine is pulled out. So while you’re favorite cup of joe might be strong in flavor, it probably has a very low caffeine content. After 5 years of having to tell sleepy customers who asked for a cup of their strongest coffee that their strongest tasting roasts were actually very low in caffeine, the makers of Death Wish went on a mission to find a special kind of coffee bean that had the full flavor of dark-roasted Arabica and the highest caffeine content possible. It seems they were successful.

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