Overview
Combined iodine/iodide solution used historically for thyroid support.
- Whole foods (leafy greens, legumes, nuts, seeds, seafood, animal proteins)
- Fortified foods such as cereals, breads, plant milks, and table salt
- Mineral supplements as chelates, citrates, glycinates, or inorganic salts
- Chelated form (glycinate, bisglycinate, citrate, malate)
- Inorganic salt (oxide, sulfate, chloride)
- Liquid ionic solution
- Topical or transdermal preparation
Forms & variants of Iodine
Different chemical forms of Iodine behave differently. Browse each form's mechanism, bioavailability, and best-use context.
Mechanism of action
Provides both molecular iodine and iodide; absorbed in stomach and small intestine.
- · Provides both molecular iodine
- · absorbed in stomach
- · small intestine
Effects on the body
Organ system effects
Evidence-based benefits
Acutely blocks thyroid hormone release in Graves' storm
Strong evidencePotential side effects
- · Metallic taste
- · Iodism
- · Avoid in autoimmune thyroid disease without supervision
Drug interactions
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Lugol's Iodine — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Lugol's Iodine third party tested NSF
CapsulesPre-measured Lugol's Iodine capsules — easiest for travel and consistent daily dosing without scoops or scales.Lugol's Iodine capsules
PowderBulk unflavored Lugol's Iodine powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Lugol's Iodine powder unflavored
Best sellersMost-purchased Lugol's Iodine products on Amazon — a quick way to see what's reviewed widely before you commit.Lugol's Iodine best sellerScientific evidence8Show studiesHide studies
Iodide for Graves' before surgery
Plummer HS.
Use of iodide preparation before thyroidectomy.
Reduced thyroid vascularity and operative complications.
PubMed: Lugol's Iodine — Acutely blocks thyroid hormone release in Graves' storm
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PubMed: Lugol's Iodine — randomized controlled trial
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PubMed: Lugol's Iodine — meta-analysis
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PubMed: Lugol's Iodine — dose response
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Google Scholar: Lugol's Iodine — clinical evidence
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