Is 500 mg of niacin a day too much? An In-Depth Look
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3 min read
According to the NIH Office of Dietary Supplements, the Tolerable Upper Intake Level (UL) for supplemental niacin for adults is 35 mg per day. This fact highlights why for most people, taking a daily 500 mg of niacin is indeed too much, pushing far beyond safe limits and requiring strict medical supervision.
