Black Insomnia, The ’Strongest Coffee In The World,’ Is Available On Amazon

A single cup contains 736 mg of caffeine.

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Black Insomnia Coffee

If your Monday morning cup of joe just isn't cutting it in the caffeine department, is here to back you up. Dubbed "the world's strongest coffee," a single cup contains 736 mg of caffeine. On average, 8 ounces of coffee contains between 70 and 140 mg, per .

So yes, that's about five to 10 times stronger than your normal cup. And good news for Prime junkies: You can buy it on Amazon. A one-pound bag costs $19 and is labeled an "Amazon's Choice" product. Reviewers vouch for the flavor, with one person calling it a "mild flavor" and "definitely not bitter" and another saying it is "chocolate-y."

As for the kick, be wary...if you get jittery after a cup of normal coffee, this might not be for you. "I didn't have a heart attack but my heart was racing and got me to do god like miracles," one reviewer wrote.

Black Insomnia Bean Coffee, 1-Lb Bag
.com
$19.99

This isn't a coffee meant to be brewed multiple times a day, either. The notes that 400 milligrams a day is an amount not generally associated with dangerous, negative effects. "Rapid consumption of around 1,200 milligrams of caffeine" is where things start to get dangerous—so sticking to a cup or less is the safest bet, though your reaction can vary based on weight, medications taken regularly, and individual sensitivity, the FDA says.

This customer followers the everything in moderation mantra: "I don't have it every day, because that doesn't seem healthy, but it does the trick in a tricky spot."

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