Iodine
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Iodine. Halogen essential for thyroid hormone synthesis.
How it works. Incorporated into thyroglobulin to form T4 and T3.
What the research supports. 1 graded claims. Strongest: Prevents goiter and cretinism in deficient populations (strong).
How much to take. Typical dose: 150 mcg adults; 220 mcg pregnancy.
Side effects and interactions. 2 medication interactions listed. Serious: Hypo- or hyperthyroidism at extreme doses.
Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).
Forms. 2 forms. Pick one to open its profile.
Key studies. 8 studies cited. The strongest are listed with links to PubMed.
Community. Experiences from people who have tried Iodine. Anecdotes are not medical advice.
Iodine. Halogen essential for thyroid hormone synthesis.
What it is
Halogen essential for thyroid hormone synthesis.
Also called
Food sources
Goals
How it works
Incorporated into thyroglobulin to form T4 and T3.
Pathways
- Thyroid hormone synthesis
Effects
- +Thyroid hormone synthesis supports
What the research supports
Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.
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Side effects & interactions
Serious
- Hypo- or hyperthyroidism at extreme doses
Medication interactions
Already iodine-rich.
Both can cause hypothyroidism.
Check any supplement–medication combination with your pharmacist before starting.
Combines with
Pairs well
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
Key studies
8 studies cited in total.
Opens current human and preclinical literature matching Iodine and "Prevents goiter and cretinism in deficient populations". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching Iodine and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching Iodine and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.
Discussion
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