Rankings / Base — Vitamins & Minerals
Selenium
Base · Mineral
Tier B+
thyroidmineralantioxidantglutathioneotc
7.2 / 10
Tier B+
Ev 8.0 Bn 5.0 Sf 7.0 Ax 10.0
What this is
Important for thyroid function (Hashimoto's). SELECT trial found no prostate cancer benefit — even slight harm signal. 2 Brazil nuts/day provides RDA.
Mechanism
Selenoprotein cofactor (glutathione peroxidase, thioredoxin reductase); antioxidant; thyroid hormone deiodinase
Dose & route
55-200 mcg/day; UL 400 mcg/day; selenomethionine form preferred
Citations
- https://ods.od.nih.gov/factsheets/Selenium-HealthProfessional/
- https://pubmed.ncbi.nlm.nih.gov/22419320/
- https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(11)61452-9/fulltext
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This is an independent synthesis of published research by a non-clinician. Scores are opinions supported by citations, not prescriptions. See the full disclaimer and methodology for how this score was produced and what it does and doesn't mean.