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Selenium (Thyroid) Dosage Guide

Evidence:Strong
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

100-200mcg daily for thyroid support

Maximum dose: 400mcg daily (Tolerable Upper Intake Level); toxicity risk above this level

Dosage Recommendations

General recommendation: 100-200mcg daily for thyroid support

Timing: With meals for best absorption; can be taken any time of day • Take with food for best absorption.

Dosage by Condition

Hashimoto's thyroiditis
200mcg selenomethionine dailyStrong
General thyroid support
100-200mcg dailyStrong
Graves' orbitopathy
200mcg daily (100mcg twice daily)Strong
Postpartum thyroiditis prevention
200mcg dailyModerate

Upper limit: 400mcg daily (Tolerable Upper Intake Level); toxicity risk above this level

Timing & Absorption

With meals for best absorption; can be taken any time of day

Best taken with food for optimal absorption.

Full Selenium (Thyroid) Guide

References

  1. RCTGärtner R, Gasnier BC, Dietrich JW, Krebs B, Angstwurm MW (2002). Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations. Journal of Clinical Endocrinology & Metabolism. DOI PubMed
  2. RCTMarcocci C, Kahaly GJ, Krassas GE, Bartalena L, Prummel M, Stahl M, Altea MA, Nardi M, Pitz S, Boboridis K, Sivelli P, von Arx G, Mourits MP, Baldeschi L, Bencivelli W, Wiersinga W (2011). Selenium and the course of mild Graves' orbitopathy. New England Journal of Medicine. DOI PubMed
  3. RCTNegro R, Greco G, Mangieri T, Pezzarossa A, Dazzi D, Hassan H (2007). The influence of selenium supplementation on postpartum thyroid status in pregnant women with thyroid peroxidase autoantibodies. Journal of Clinical Endocrinology & Metabolism. DOI PubMed