What is the permissible window of caffeine?
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3 min read
According to the Food and Drug Administration (FDA), most healthy adults can safely consume up to 400 milligrams of caffeine daily. Understanding this limit, as well as the personal and physiological factors that influence your response to the substance, is key to defining your personal permissible window of caffeine and maximizing its benefits without suffering from side effects like anxiety or insomnia.
