Is it safe to take 400 mg of magnesium daily?
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5 min read
According to the National Institutes of Health, the Tolerable Upper Intake Level (UL) for supplemental magnesium is 350 mg for most adults, but is it safe to take 400 mg of magnesium daily? While some people may tolerate a higher intake, this amount from supplements exceeds the established UL and could potentially cause adverse side effects.
