What is selenium 55 mcg used for? RDA, functions, and dietary sources
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4 min read
The U.S. and Canadian Recommended Dietary Allowance (RDA) for most adults is 55 micrograms (mcg) of selenium daily, an essential trace mineral with a narrow range between deficiency and toxicity. This crucial nutrient is vital for numerous bodily functions, playing a foundational role in human health through its incorporation into special proteins.