Liquid Iodine β 2 fl oz, Liquid Form β Supports Thyroid Health*
LifeSource Vitamins Liquid Iodine delivers iodine (as potassium iodide) in a convenient liquid form to support thyroid health, energy, and metabolism. Made in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, purity & potency.*
Research Promise. At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep guidance aligned with credible science*.
Clinically Studied Benefits (Human Evidence)
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Supports normal thyroid hormone production* β Low-dose iodine improved thyroid parameters in adults with endemic goiter (double-blind RCT). (NIH/PubMed β Kahaly G, 1997)
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Helps maintain healthy thyroid status within recommended intakes* β Small supplemental iodine doses produced measurable thyroid function changes in predisposed adults (clinical trial). (NIH/PubMed β Reinhardt W, 1998)
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Supports appropriate thyroid feedback response* β Controlled oral iodide dosing showed expected, reversible effects on thyroid secretion in healthy men. (NIH/PubMed β Gardner DF, 1988)
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Backed by pregnancy guidance on iodine sufficiency* β Evidence-based ATA guideline recommends adequate iodine during pregnancy/postpartum. (NIH/PubMed β Alexander EK, 2017)
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Supports maternalβchild health where deficiency exists* β Iodine programs and supplementation associate with improved child outcomes. (NIH/PMC β Aboud FE, 2016)
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Supports cognition in iodine-deficient youth* β Iodine supplementation improved cognition in mildly deficient schoolchildren (RCT). (NIH/PubMed β Zimmermann MB, 2006)
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Kelp intake supports healthy body composition* β Iodine-reduced kelp decreased body fat in overweight adults (randomized, double-blind, placebo-controlled). (NIH/PMC β Aoe S, 2021)
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Seaweed consumption supports metabolic markers* β RCTs report improvements in glycemia, HbA1c, and HOMA-IR with whole seaweed. (NIH/PMC β Trigo JP, 2023)
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Alginate (brown seaweed) supports glucose & lipids* β Human interventions show favorable effects on fasting glucose and lipids. (NIH/PMC β Liu J, 2021)
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Seaweed & metabolic-syndrome endpoints* β Evidence synthesis highlights weight/glucose/lipid benefits in adults. (NIH/PMC β Kim YR, 2023)
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Edible algae & blood pressure* β Meta-analysis of RCTs shows BP reductions with edible algae intake. (NIH/PubMed β Casas-Agustench P, 2025)
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Seaweed supplementation & weight/lipids* β Systematic review finds potential benefits for obesity and lipid profiles with β₯8-week use. (NIH/PubMed β Εagowska K, 2025)
Additional / Promising Evidence*
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Appropriate intake matters* β Subclinical thyroid changes observed at high iodine intakes; remain within recommended ranges. (NIH/PubMed β Sang Z, 2012)
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Balance deficiency vs. excess* β Review on increased iodine intake and thyroid disorders underscores moderation. (NIH/PMC β Sun X, 2014)
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Iodine & cognition (overview)* β Narrative/overview evidence for cognitive outcomes in iodine-deficient settings. (NIH/PMC β Bailote HB, 2022)
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Guideline summaries for pregnancy/lactation* β Consensus supports adequate iodine intake in prenatal periods. (NIH/PubMed β ATA Guideline, 2017)
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Seaweed & satiety/metabolic effects* β Human alginate research supports fullness and metabolic endpoints (review). (NIH/PMC β Trigo JP, 2023)
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Whole-diet seaweed & cardiometabolic risk* β Reviews/meta-analyses report TG/TC/LDL and BP benefits. (PubMed-indexed journal β 2024 review)
University / Academic Context
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American Thyroid Association (Guideline, peer-reviewed in Thyroid) β Adequate iodine during pregnancy/postpartum. (NIH/PubMed β Alexander EK, 2017)
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Oregon State University β Linus Pauling Institute β Academic context on iodine & thyroid health (bold-only).
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Harvard / Johns Hopkins β Academic coverage on iodine nutrition & public health (bold-only).
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Boston University β Thyroid hormones & brain development (bold-only).
Global Evidence & Authoritative Reviews
Institutional Monitoring. We monitor research from the worldβs leading institutions β including Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge University, Oxford, Stanford, Yale, MIT, the University of Florida, Oregon State University β Linus Pauling Institute, Boston University, Cornell, Columbia, and Ohio State β to ensure our guidance remains aligned with the highest standards of credible science.*
Key Ingredients
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Iodine (as Potassium Iodide) β Essential for thyroid hormone synthesis. (NIH/PubMed β ATA Guideline, 2017)
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Vegetable Glycerin β Plant-based carrier.*
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Deionized Water β Ensures purity and consistency.*
Brief Benefit Bullets
- Supports thyroid function*
- Helps maintain energy & metabolic activity*
- Backed by NIH/PubMed human evidence on iodine & seaweeds*
- Made in FDA-registered, GMP-certified facilities*
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3rd-party tested for identity, purity & potency*
Suggested Use
Take 1 drop daily in a little water or as directed by your healthcare professional. If pregnant/nursing, taking medications, allergic, or with a medical condition, consult your physician. Discontinue and consult a professional if adverse reactions occur. Keep out of reach of children.*
Product Specifications
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Form β Liquid
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Volume β 2 fl oz (59 mL)
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Quality β Non-GMO, vegan, 3rd-party tested for identity, purity & potency*
LifeSource Vitamins β Proudly American β Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Liquid Iodine supports thyroid health, energy, and metabolism. 3rd-party tested and backed by human evidence in NIH/PubMed. Clinically Studied Ingredients β NIH/PubMed!*
