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Coffee, which claims to be the most powerful in the world, is listed in the United States.

Published: 2026-03-17 Author: World Gafei

Last Updated: 2026/03/17, The caffeine highlighted by the Black Insomnia contains the highest amount of caffeine, with 12 ounces of caffeine per cup, 6.3% more than what was previously claimed to be the world's strongest coffee. Although caffeine has the function of eliminating drowsiness, increasing appetite and diuresis, according to the latest dietary guidelines published in the United States, healthy people are advised to limit their daily caffeine intake to 400 milligrams. At present

The product, called "Black Insomnia", highlights the highest amount of caffeine, with 12 ounces of 702mg per cup, 6.3% more than what was previously known as "the strongest coffee in the world." Although caffeine has the function of eliminating drowsiness, increasing appetite and diuresis, according to the latest dietary guidelines published in the United States, healthy people are advised to limit their daily caffeine intake to 400 milligrams.