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Iodine (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

150mcg daily for adults (RDA)

Maximum dose: 1,100mcg (1.1mg) daily Tolerable Upper Intake Level for adults (IOM)

Dosage Recommendations

General recommendation: 150mcg daily for adults (RDA)

Timing: Any time of day with food • Take with food for best absorption.

Dosage by Condition

General thyroid support
150mcg dailyStrong
Pregnancy/lactation
220-290mcg dailyStrong
Mild iodine deficiency
150-250mcg dailyStrong

Upper limit: 1,100mcg (1.1mg) daily Tolerable Upper Intake Level for adults (IOM)

Timing & Absorption

Any time of day with food

Best taken with food for optimal absorption.

References

  1. Zimmermann MB (2009). Iodine deficiency. Endocrine Reviews. DOI PubMed
  2. ReviewZimmermann MB, Jooste PL, Pandav CS (2008). Iodine-deficiency disorders. The Lancet. DOI PubMed
  3. ReviewSpallek L, Krille L, Reiners C, Schneider R, et al. (2012). Adverse effects of iodine thyroid blocking: a systematic review.. Radiation protection dosimetry. DOI PubMed
  4. RCTReinhardt W, Kohl S, Hollmann D, Klapp G, et al. (1998). Efficacy and safety of iodine in the postpartum period in an area of mild iodine deficiency.. European journal of medical research. PubMed