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evidence · mechanism · dose
Supplements/Mineral

Potassium Iodide

Iodine source for thyroid hormone.

Hormone BalanceGeneral Wellness

Overview

Iodine source for thyroid hormone.

Natural sources
    Common forms

      Mechanism of action

      Substrate for thyroglobulin iodination.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Prevents goiter

        Moderate evidence

        Potential side effects

        Common
        • · Thyroid dysfunction at high doses
        Rare
          Serious

            Drug interactions

            No notable interactions reported.

            Supplement interactions

            Pairs well with

            None listed.

            Avoid combining with

            No specific avoidances listed.

            Dosing & bioavailability

            Typical dose
            150 mcg

            Where to buy

            Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

            Mineral
            Potassium Io…
            Amazon
            Wide selection · fast shipping
            Mineral
            Potassium Io…
            iHerb
            Global delivery · curated brands
            Mineral
            Potassium Io…
            Thorne
            Practitioner-grade · NSF tested

            Scientific evidence (8)

            Systematic reviewWHO Guidelines · 2007

            Iodine WHO recommendation

            WHO

            Public health review

            Key findings

            150 mcg prevents deficiency disorders.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Potassium Iodide — Prevents goiter

            Live PubMed search

            Live results for "Potassium Iodide Prevents goiter" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Potassium Iodide and "Prevents goiter". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Potassium Iodide — randomized controlled trial

            Live PubMed search

            Live results for "Potassium Iodide randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Potassium Iodide and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Potassium Iodide — meta-analysis

            Live PubMed search

            Live results for "Potassium Iodide meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Potassium Iodide and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Potassium Iodide — pharmacokinetics

            Live PubMed search

            Live results for "Potassium Iodide pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Potassium Iodide and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Potassium Iodide — safety adverse events

            Live PubMed search

            Live results for "Potassium Iodide safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Potassium Iodide and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Potassium Iodide — dose response

            Live PubMed search

            Live results for "Potassium Iodide dose response" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Potassium Iodide and "dose response". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewGoogle Scholar · 1970

            Google Scholar: Potassium Iodide — clinical evidence

            Live Scholar search

            Cross-database citation index for Potassium Iodide as it relates to "clinical evidence".

            Key findings

            Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

            Open study
            Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.