Black coffee is a morning elixir, helping people wake up and provide a jolt of energy. It’s famous for caffeine, of course, but it also comes with some impressive health benefits.

Americans love the dark brew: Roughly two-thirds, 66%, report drinking coffee in the past day — more than any other beverage including plain water, according to a 2025 report from the National Coffee Association, up 7% since 2020.

Take a sip and you will feel the effects right away: The caffeine in coffee is a central nervous system stimulant, “speeding everything up” in the body and brain, according to the American Medical Association.

“It will increase your energy levels. It can also decrease feelings of fatigue,” Lisa Young, Ph.D., a registered dietitian and adjunct professor of nutrition at New York Univer

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