English version in progress: interface and data are in English; some explanatory text is still in Chinese.
Best Iodine products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 114 · Reference range: 150 – 1,100 mcg (source) · Updated 2026-10-30
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 — Methodology · Iodine →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 tie |
Iodine 150 mcg Bulletproof · US NIH DSLD |
300 mcg | 90.0 | Breakdown
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| 1 tie |
Iodine 500 mcg Solaray · US NIH DSLD |
500 mcg | 90.0 | Breakdown
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| 1 tie |
Iodine Liquid Drops Unflavored NutraChamps · US NIH DSLD |
250 mcg | 90.0 | Breakdown
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| 4 | Iodine from Kelp Whole Foods Market · US NIH DSLD |
225 mcg | 88.0 | Breakdown
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| 5 tie |
Iodine (Potassium Iodide) Pure Encapsulations · US NIH DSLD |
450 mcg | 85.0 | Breakdown
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| 5 tie |
Iodine and Tyrosine Pure Encapsulations · US NIH DSLD |
450 mcg | 85.0 | Breakdown
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| 5 tie |
Kelife Iodine Douglas Laboratories · US NIH DSLD |
250 mcg | 85.0 | Breakdown
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| 5 tie |
Sea Kelp with 200 mcg of Iodine Puritan's Pride · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 9 | Liquid Iodine Genestra Brands · US NIH DSLD |
450 mcg | 83.0 | Breakdown
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| 10 | Iodine & Tyrosine Thorne Research, Inc. · Health Canada LNHPD |
225 mcg | 79.0 | Breakdown
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| 11 | NutraChamps Iodine Drops NutraChamps Inc. · Health Canada LNHPD below_ref |
125 mcg | 77.3 | Breakdown
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| 12 tie |
European Iodine 150 mcg Healthy Origins · US NIH DSLD |
300 mcg | 75.0 | Breakdown
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| 12 tie |
Extra Strength Thyroid Support With Iodine BioGanix · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Formula 14 Sea Minerals + Iodine NESS Nutritional Enzyme Support System · US NIH DSLD |
310 mcg | 75.0 | Breakdown
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| 12 tie |
Formula 14 Sea Minerals W/Iodine NESS Nutritional Enzyme Support System · US NIH DSLD |
155 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine Mineralife · US NIH DSLD |
500 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine Performance Lab · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine 250 mcg Divine Bounty · US NIH DSLD |
250 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine 325 mcg Nutricost · US NIH DSLD |
325 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine From Kelp 225 mcg BIOVEA · US NIH DSLD |
225 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine Gold 300 mcg NutriGold · US NIH DSLD |
300 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine With Kelp L.A. Naturals · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine from Organic Seaweed 650 mcg Dr. Mercola · US NIH DSLD |
650 mcg | 75.0 | Breakdown
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| 12 tie |
Iodine with Kelp Thymely Solutions · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Ionic Iodine Good State · US NIH DSLD |
500 mcg | 75.0 | Breakdown
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| 12 tie |
Ionic Iodine from Potassium Iodide 225 mcg Trace Minerals Research · US NIH DSLD |
225 mcg | 75.0 | Breakdown
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| 12 tie |
Kalium Iodine Amvilab · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Kelp (Iodine) 150 mcg Nature's Blend · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Kelp Iodine Everyday Health · US NIH DSLD |
300 mcg | 75.0 | Breakdown
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| 12 tie |
Kelp With Iodine Vitamer Laboratories · US NIH DSLD |
225 mcg | 75.0 | Breakdown
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| 12 tie |
Kelp with Iodine Natural Nutra · US NIH DSLD |
225 mcg | 75.0 | Breakdown
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| 12 tie |
Liquid Iodine Thymely Solutions · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Nascent Iodine H!D Hallelujah Diet · US NIH DSLD |
620 mcg | 75.0 | Breakdown
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| 12 tie |
Nascent Iodine Health Ranger's · US NIH DSLD |
700 mcg | 75.0 | Breakdown
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| 12 tie |
Natural Iodine From Kelp Anabolic Laboratories · US NIH DSLD |
225 mcg | 75.0 | Breakdown
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| 12 tie |
Organic Iodine Sunwarrior Be Well · US NIH DSLD |
225 mcg | 75.0 | Breakdown
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| 12 tie |
Organic Iodine Liquid Drops Unflavored Mary Ruth's · US NIH DSLD |
250 mcg | 75.0 | Breakdown
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| 12 tie |
Organic Iodine Liquid Drops Unflavored Mary Ruth’s · US NIH DSLD |
250 mcg | 75.0 | Breakdown
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| 12 tie |
Raw Whole Food Iodine Peak Performance · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Thyroid Support With Iodine aSquared Nutrition · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Thyroid Support with Iodine ZHOU · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Thyroid Support with Iodine Amvilab · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Thyroid Support with Iodine PureMax Labs YummyVite · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Thyroid Support with Iodine + BioPerine NutriFlair · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 12 tie |
Tri-Iodine Chocolate 500 mcg Terry Naturally · US NIH DSLD |
500 mcg | 75.0 | Breakdown
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| 12 tie |
Ultimate Iodine Concentrate Complete H2O Minerals · US NIH DSLD |
600 mcg | 75.0 | Breakdown
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| 47 tie |
Kelp (Iodine Source) 225 mcg Swanson Premium Brand · US NIH DSLD |
225 mcg | 73.0 | Breakdown
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| 47 tie |
Kelp 150 mcg Of Natural Iodine NOW · US NIH DSLD |
150 mcg | 73.0 | Breakdown
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| 47 tie |
Nutrisorb Iodine BioCare · US NIH DSLD |
150 mcg | 73.0 | Breakdown
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| 47 tie |
Sea Iodine 1000 mcg Life Extension · US NIH DSLD |
1,000 mcg | 73.0 | Breakdown
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| 47 tie |
Vitamins D and K with Sea-Iodine Life Extension · US NIH DSLD |
1,000 mcg | 73.0 | Breakdown
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| 52 tie |
Albi Imports Kelp 550 mg capsules Bona Vita Holdings Inc. · Health Canada LNHPD |
358 mcg | 69.0 | Breakdown
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| 52 tie |
Algues marines Herbes Universelles inc. · Health Canada LNHPD |
200 mcg | 69.0 | Breakdown
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| 52 tie |
Bladderwrack (Natural Iodine) Holy Land Traditional Medications Inc. · Health Canada LNHPD |
400 mcg | 69.0 | Breakdown
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| 52 tie |
CODEAGE Iodine + CODEAGE LLC · Health Canada LNHPD |
650 mcg | 69.0 | Breakdown
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| 52 tie |
Dr. Tahir's Iodine 800 mcg capsules Toronto College of Naturopathic Medicine Inc. · Health Canada LNHPD |
800 mcg | 69.0 | Breakdown
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| 52 tie |
GOOD FOR YOU Kelp 150 mcg Iodine Good For You Corp. · Health Canada LNHPD |
150 mcg | 69.0 | Breakdown
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| 52 tie |
HERBAL SELECT Norwegian Kelp 550mg Puresource Corp. · Health Canada LNHPD |
550 mcg | 69.0 | Breakdown
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| 52 tie |
Iodine A.N. Tyler Holdings Ltd. · Health Canada LNHPD |
220 mcg | 69.0 | Breakdown
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| 52 tie |
Kelp Nutricorp International · Health Canada LNHPD |
650 mcg | 69.0 | Breakdown
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| 52 tie |
Kelp Jamieson Laboratories Ltd./ Nutricorp International · Health Canada LNHPD |
650 mcg | 69.0 | Breakdown
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| 52 tie |
Kelp Canadian Sun Supplement City Ltd. · Health Canada LNHPD |
150 mcg | 69.0 | Breakdown
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| 52 tie |
Liquid Iodine Forte Biotics Research Corporation · Health Canada LNHPD |
150 mcg | 69.0 | Breakdown
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| 52 tie |
NOVA Myco-Biome Group 2025 Inc. dba Nova Scotia Organics · Health Canada LNHPD |
160 mcg | 69.0 | Breakdown
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| 52 tie |
Super Sea Veg FarmaSea Health LLC · Health Canada LNHPD |
177 mcg | 69.0 | Breakdown
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| 52 tie |
Total Natural Iodine Capwork Health Inc. · Health Canada LNHPD |
150 mcg | 69.0 | Breakdown
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| 52 tie |
Varech - Kelp Gourmet Nutrition F.B. Inc. · Health Canada LNHPD |
365 mcg | 69.0 | Breakdown
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| 68 | Léo Désilets Maître herboriste Varech (Fucus vesiculosus) Laboratoire Léo Désilets M.H. · Health Canada LNHPD below_ref |
127 mcg | 62.9 | Breakdown
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| 69 tie |
Iodine Concentrate Complete H2O Minerals · US NIH DSLD below_ref |
100 mcg | 61.7 | Breakdown
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| 69 tie |
Ionic Iodine AM Angstrom Minerals · US NIH DSLD below_ref |
100 mcg | 61.7 | Breakdown
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| 71 | Alveo-I Akuna Health Products Inc. · Health Canada LNHPD below_ref |
120 mcg | 61.0 | Breakdown
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| 72 tie |
Liquid Iodine (Potassium Iodide) Biotics Research Corporation · Health Canada LNHPD below_ref |
75 mcg | 49.0 | Breakdown
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| 72 tie |
Quench Essentials Iodine 15 1195011 Ontario Inc. - Operating as Quench Essentials · Health Canada LNHPD below_ref |
75 mcg | 49.0 | Breakdown
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| 74 | A.Vogel Thyroid support Bioforce Canada Inc. · Health Canada LNHPD below_ref |
50 mcg | 42.3 | Breakdown
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| 75 tie |
Tri-Iodine EuroMedica · US NIH DSLD above_upper |
3,000 mcg | 42.0 | Breakdown
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| 75 tie |
Tri-Iodine 12.5 mg EuroMedica · US NIH DSLD above_upper |
12,500 mcg | 42.0 | Breakdown
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| 75 tie |
Tri-Iodine 6.25 mg EuroMedica · US NIH DSLD above_upper |
6,250 mcg | 42.0 | Breakdown
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| 78 | Iodine Synergy Designs for Health · Health Canada LNHPD above_upper |
10,000 mcg | 41.0 | Breakdown
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| 79 tie |
Gammadyn¿ I | 24 mcg | 35.4 | Breakdown
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| 79 tie |
Oligosol® Iode Labcatal S.A. · Health Canada LNHPD below_ref |
24 mcg | 35.4 | Breakdown
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| 81 tie |
Nascent Iodine Harmonic Innerprizes · US NIH DSLD above_upper |
1,350 mcg | 35.0 | Breakdown
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| 81 tie |
Nascent Iodine LL's Magnetic Clay · US NIH DSLD above_upper |
1,200 mcg | 35.0 | Breakdown
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| 83 tie |
Advanced Iodine Rejuvica Health · US NIH DSLD above_upper |
2,694 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine Organixx · US NIH DSLD above_upper |
1,950 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine & Potassium Iodide 12.5 mg Natural Healthy Concepts · US NIH DSLD above_upper |
12,500 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine & Rhodiola Dr. Wong's Essentials · US NIH DSLD above_upper |
30,000 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine + Codeage · US NIH DSLD above_upper |
1,950 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine 1,500 mcg Dr. Mercola · US NIH DSLD above_upper |
1,500 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine 1.5 mg Dr. Mercola · US NIH DSLD above_upper |
1,500 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine Complex 12.5 mg ProThera · US NIH DSLD above_upper |
12,500 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine Complex 12.5 mg Physician's Preference · US NIH DSLD above_upper |
12,500 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine Complex 6.25 mg ProThera · US NIH DSLD above_upper |
6,250 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine Edge Go Nutrients · US NIH DSLD above_upper |
2,694 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine Plus Adaptogen Research · US NIH DSLD above_upper |
10,000 mcg | 32.0 | Breakdown
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| 83 tie |
Iodine-HP 12.5 mg Adaptogen Research · US NIH DSLD above_upper |
12,500 mcg | 32.0 | Breakdown
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| 83 tie |
Liposomal Iodine Mint Flavor Vinco · US NIH DSLD above_upper |
12,500 mcg | 32.0 | Breakdown
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| 83 tie |
Lugol's Iodine Stomach Saver Dr. Clark Store · US NIH DSLD above_upper |
30,000 mcg | 32.0 | Breakdown
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| 83 tie |
Nascent Iodine Triquetra · US NIH DSLD above_upper |
1,800 mcg | 32.0 | Breakdown
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| 83 tie |
Nascent Iodine Ultra6 Nutrition · US NIH DSLD above_upper |
2,694 mcg | 32.0 | Breakdown
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| 83 tie |
Nascent Iodine Dr. Clark Store · US NIH DSLD above_upper |
3,400 mcg | 32.0 | Breakdown
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.