World's strongest coffee now available online

CHEYENNE, Wy.(KGWN)- The World's strongest coffee is now available in the U.S.

"Black Insomnia" is not for the faint of heart. It has 58.5 milligrams of caffeine per ounce, which is almost three times the amount in Starbuck's dark roast.

The website "Caffeine Informer" says Black Insomnia is one of the "most dangerous caffeinated products."

Just one 12-ounce cup would have more than 700-milligrams of caffeine.

The FDA only recommends 400 milligrams per day.