The US Food and Drug Administration (FDA) suggests limiting caffeine intake to 400 milligrams per day for adults, the equivalent to four cups of coffee.
Are you consuming enough caffeine to get you through the day? Or are you having too much that it keeps you up at night? How can you get the most out of your coffee?
A lot of us need caffeine to survive the day, but too much can leave you tossing and turning at night and jittery during waking hours. The official recommendation is no more than 400 milligrams.
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