How many cups is 400 mg of caffeine?
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3 min read
The Food and Drug Administration (FDA) cites 400 milligrams a day as a safe amount of caffeine for most healthy adults. The answer to "how many cups is 400 mg" varies significantly depending on the beverage, with different types of coffee, tea, and energy drinks containing vastly different concentrations. This guide breaks down the conversion for popular drinks to help you manage your daily caffeine intake effectively.
