What happens if I take 100 mg of iron?
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4 min read
According to the NIH Office of Dietary Supplements, the Tolerable Upper Intake Level (UL) for iron for most adults is 45 mg daily, meaning a 100 mg dose is more than double this limit. This can lead to a range of adverse effects, from mild gastrointestinal upset to more serious issues, depending on individual health factors.
