We all have those mornings where there's no coffee in the world that is strong enough to wake us up. Now we'll be able to test that claim.

Black Insomnia Coffee is called the world's strongest coffee and it's finally on sale in the states. It debuted in South Africa last year with 702 milligrams of caffeine in a 12-ouce cup.

Black Insomnia

That much caffeine is more than three times the amount found in a same size cup at Starbucks, nine times more than a can of Red Bull, and 21 times more than a can of Coke.

702 milligrams of caffeine is still a safe amount to drink, but you need to be careful with extreme amounts. Studies show that five grams of caffeine will put your life at risk. That means seven cups of this coffee could do you in.

Black Insomnia just went on sale on Amazon and sold out immediately.

Read more at TIME.