Black Insomnia Coffee, first available in South Africa previous year, announced a deal with Amazon to bring its ultra-caffeinated beans to the US market. The International Food Information Council recommends a maximum 300mg of caffeine daily, while the FDA's limit is 400mg.
"For the same amount of coffee, you will get double the amount of caffeine", said Mary Sweeney, who researches the effects of caffeine at John Hopkins School of Medicine.
Previously, "Death Wish Coffee" held the title as the most potent with around 660 mg in a 12 oz cup. One 12-fluid-ounce (355-milliliter) cup contains almost double the recommended daily allowance of caffeine.
The South African newcomer boasts it has achieved "dangerously high levels of caffeine" by harvesting only Robusta beans, rather than the tamer Arabica variety. Kristafor's goal was to create the strongest coffee in the world. Black Insomnia just went on sale on Amazon on Friday, less than one week ago.
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The idea that Black Insomnia is the strongest coffee out there isn't just a matter of opinion, it's backed up by facts.
Black Insomnia's number one competitor is Death Wish, which is also a very strong type of coffee.
Caiden Tuller, who works customer service at the New York-based company, said, "We're the leader in the strong coffee category and are not letting up anytime soon". This week, the company made its global debut by expanding distribution of its heavily caffeinated product through Amazon. An independent reference site known as the Caffeine Informer, has also backed-up Black Insomnia's claim.
"Caffeine overdose is unsafe and can kill you".