Is 200 mcg of selenium a day too much? Navigating Safe Supplementation
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4 min read
While the Tolerable Upper Intake Level for selenium is 400 mcg per day for adults, a narrower safety window exists between beneficial and toxic doses. For this reason, many ask, is 200 mcg of selenium a day too much? This article explores the factors determining whether this dose is appropriate for you, weighing the potential benefits against the risks.