Selenium
Also known as: selenomethionine, sodium selenite, selenium supplement
An essential trace mineral important for thyroid function, immune health, and antioxidant defence. The UK RNI is 60mcg/day for women. Particularly relevant for women with thyroid conditions, as selenium is required for the conversion of T4 to active T3. Some evidence for reducing thyroid antibodies in Hashimoto's thyroiditis.
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Community Experiences
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Research Context
Research context compiled from published sources
How does Selenium work?
Incorporated into selenoproteins including glutathione peroxidase (antioxidant defence), iodothyronine deiodinases (T4 to T3 conversion), and thioredoxin reductase (redox balance). In the thyroid, selenium supports hormone conversion and protects thyroid cells from oxidative damage. May modulate immune response in autoimmune thyroiditis.
Research Depth
Well Studied
Extensive human research over many years, including randomized controlled trials.
Long-Term Evidence
Unknown
Known Interactions
Reported Contraindicated Populations
Published Dose Ranges
Dose ranges from published research. Individual dosing should be determined with your healthcare provider based on your specific circumstances.
Factual research context from published sources — not a safety assessment or recommendation. Research classifications may change as new data emerges.
Related Approaches
Other Supplement tracked on Narrated.
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