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Can you handle the "World's Strongest Coffee?"

Can you handle the

However, even the most devoted caffeine fiend will want to be wary of Black Insomnia Coffee, said to be the strongest coffee in the world, which is now available in the US.

Sean Kristafor founded the The Black Insomnia Coffee Company in Cape Town, South Africa, in 2016.

The "world's strongest" distinction comes after Black Insomnia released lab-tested results revealing that each 12 ounce cup of their brew contains 702 mg of caffeine. That means one 6-ounce cup of Black Insomnia puts you close to your daily limit, and the typical 12-ounce cup throws you overboard.

If you're daring enough to give it a shot (pun intended), apparently Black Insomnia isn't all about caffeine.

At 58.5 mg per fl. oz., Black Insomnia is more than twice as strong as Starbuck's dark roast, at around 21.25 mg per fl. oz. But it all depends on how a person brews the beans, of course.

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Drinking more than that may lead to migraine headaches, insomnia, nervousness, irritability, restlessness, frequent urination, stomach upset, fast heartbeat and muscle tremors, according to The Mayo Clinic. They recommend most healthy adults can't consume more than 400 mg a day.

Kallmyer calls Black Insomnia and its competitor, supposedly the second world's strongest coffee Death Wish, "insanely strong coffees".

Both coffees are available for sale on Amazon, which could not be reached for comment.

"So here's the thing, don't come crying to us if you can't handle the kick", the company said.

"Caffeine overdose is unsafe and can kill you", according to the FDA.

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