10 Best iodine supplements of 2025

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1

Optimox
Optimox Iodoral 12.5mg Supplement – Iodine for Thyroid Support, Potassium Iodide Tablets, Lugol Solution, Daily Vitamins & Minerals - 90 Count
Main highlights

Thyroid Support and Energy Boost
Iodoral provides essential iodine for thyroid function, enhancing energy and overall health.

Ideal for Thyroid and Hormonal Balance
Perfect for individuals seeking thyroid support and hormonal balance.

Improved Hair, Skin, and Nails
Customers consistently praise its impact on hair, skin, and nails health.
9.6

Exceptional

Our Rating

9.9
simple to consume

9.7
quality of ingredients

9.7
Absorbency
How do we rank?

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Based on millions of stores and reviews

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Value for Money

2

Clean Nutraceuticals
Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements

14% Off
Main highlights

Comprehensive Thyroid Support
Combines selenium, zinc, iodine, tyrosine, and ashwagandha for enhanced thyroid health.

Ideal for Stress and Energy
Perfect for those seeking relaxation and energy boost.

Praised for Convenience
Customers appreciate the all-in-one two-capsule solution.
9.4

Excellent

Our Rating
3

MaryRuth Organics
MaryRuth Organics Iodine Liquid Drops | Potassium Iodide | 1 Year Supply | 450 Servings | Thyroid Health | USDA Organic| Vegan | Non-GMO | Gluten Free | 1 Fl Oz
Main highlights

Essential Nutrient Support
Provides 250 mcg of iodine per serving, crucial for thyroid health and metabolism regulation.

Ideal for Vegans and Pregnant Women
Perfect for those at risk of iodine deficiency, including vegans and pregnant or nursing women.

User-Friendly Liquid Drops
Praised for ease of use; simple liquid drops with no pills.
9.2

Excellent

Our Rating

9.5
worth the money

9.5
Flavor

9.5
quality of ingredients
4

Carlyle
Carlyle Sea Kelp Iodine Supplement | 225mcg | 300 Tablets | Non-GMO, Gluten Free | Traditional Herb Supplement

14% Off
Main highlights

Powerful Iodine Source
Delivers 225 mcg of iodine from sea kelp, supporting thyroid health.

Versatile Health Supplement
Ideal for anyone seeking to boost iodine intake naturally.

Great Value and Quality
Praised for cost-effectiveness and ease of use by customers.
9.0

Excellent

Our Rating

9.7
simple to consume

9.3
Flavor

9.3
worth the money
5

Pure Encapsulations
Pure Encapsulations Iodine - Supplement to Support The Thyroid & Help Maintain Healthy Cellular Metabolism - with Premium Potassium Iodide - 120 Capsules
Main highlights

Thyroid and Metabolism Support
Pure iodine capsules support thyroid health and maintain cellular metabolism.

Ideal for Iodine Deficiency
Perfect for individuals with low iodine intake or dietary restrictions.

Increased Energy Levels
Customers praise noticeable improvements in energy and warmth.
8.8

Very Good

Our Rating

9.9
simple to consume

9.5
Flavor

9.1
worth the money
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6

Life Extension
Life Extension Sea-Iodine™, kelp and bladderwrack-derived iodine, supports healthy levels of this essential nutrient for thyroid health and beyond, non-GMO, gluten-free, vegetarian, 60 capsules

25% Off
Main highlights

Supports Thyroid Health
Life Extension Sea-Iodine aids thyroid function, metabolism, and energy by supporting T3 and T4 hormone production.

Ideal for Iodine Deficiency
Perfect for individuals avoiding salt or seeking non-synthetic iodine sources.

Praised for Energy Boost
Customers frequently commend its ability to enhance energy and mental clarity.
8.6

Very Good

Our Rating

9.7
simple to consume

9.3
worth the money

9.1
Flavor
7

J. CROW'S
J.CROW'S® Lugol's Solution of Iodine 2% 2 oz (1 Bottle) – Premium Potassium Iodide Liquid, Supports Thyroid & Energy, Gluten &, Alcohol-Free Natural Brine Extract, No Expiration
Main highlights

High-Quality Natural Source
Derived from 320-million-year-old brine deposits, ensuring purity.

Versatile Use Cases
Ideal for dietary supplementation and external applications.

Trusted Traditional Formula
Praised for its long-standing reliability and effectiveness.
8.4

Good

Our Rating
8

Triquetra Health
Organic Iodine Supplement from Sea Vegetable Complex, Whole Food & Raw Form - Iodine Plus Trace Mineral Complex – Contains Purest Icelandic Sea Kelp, Irish Moss & Bladderwrack (250 mcg)
Main highlights

Organic Iodine Supplement
100% organic iodine from whole food and raw form.

Ideal for Thyroid Support
Helps regulate thyroid function and hormone balance.

Natural Source Praised
Customers appreciate the natural seaweed-derived iodine source.
8.1

Good

Our Rating

9.9
worth the money

9.3
simple to consume

9.3
Absorbency
9

NOW Foods
NOW Foods Supplements, Kelp 150 mcg of Natural Iodine, Easier to Swallow Tablet, Super Green, 200 Tablets

32% Off
Main highlights

Key Features
150 mcg of natural iodine from kelp supports healthy thyroid function. GMP Quality Assured and packaged in the USA.

Ideal Use Cases
Perfect for those seeking a natural thyroid health boost and an essential staple for fans of Chinese, Japanese, and Korean cuisines.

Customer Praise
Most reviews highlight the ease of swallowing these tablets and the noticeable improvement in thyroid function and overall energy levels.
8.0

Good

Our Rating

9.1
simple to consume

9.1
Flavor

8.7
worth the money
10

Life Extension
Life Extension Sea-Iodine Capsules, 1000 mcg, 150 Veg Caps, Natural Iodine Supplement from Kelp and Bladderwack
Main highlights

Enhanced Iodine Supplement
Contains 1,000 mcg iodine from Kelp and Bladderwack extracts.

Ideal for Thyroid Support
Perfect for individuals seeking natural thyroid health enhancement.

Small Capsule Convenience
Customers love the easy-to-swallow small capsules.
7.8

Good

Our Rating

10 Best iodine supplements of 2025

1

Optimox Iodoral 12.5mg Supplement – Iodine for Thyroid Support, Potassium Iodide Tablets, Lugol Solution, Daily Vitamins & Minerals - 90 Count

9.9

9.7

9.7

How do we rank?

How do we rank?

Analyzing top stores

2

Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack, Turmeric, Kelp, Schisandra Zinc Pills Capsule Supplements

3

MaryRuth Organics Iodine Liquid Drops | Potassium Iodide | 1 Year Supply | 450 Servings | Thyroid Health | USDA Organic| Vegan | Non-GMO | Gluten Free | 1 Fl Oz

9.5

9.5

9.5

4

Carlyle Sea Kelp Iodine Supplement | 225mcg | 300 Tablets | Non-GMO, Gluten Free | Traditional Herb Supplement

9.7

9.3

9.3

5

Pure Encapsulations Iodine - Supplement to Support The Thyroid & Help Maintain Healthy Cellular Metabolism - with Premium Potassium Iodide - 120 Capsules

9.9

9.5

9.1

6

Life Extension Sea-Iodine™, kelp and bladderwrack-derived iodine, supports healthy levels of this essential nutrient for thyroid health and beyond, non-GMO, gluten-free, vegetarian, 60 capsules

9.7

9.3

9.1

7

J.CROW'S® Lugol's Solution of Iodine 2% 2 oz (1 Bottle) – Premium Potassium Iodide Liquid, Supports Thyroid & Energy, Gluten &, Alcohol-Free Natural Brine Extract, No Expiration

8

Organic Iodine Supplement from Sea Vegetable Complex, Whole Food & Raw Form - Iodine Plus Trace Mineral Complex – Contains Purest Icelandic Sea Kelp, Irish Moss & Bladderwrack (250 mcg)

9.9

9.3

9.3

9

NOW Foods Supplements, Kelp 150 mcg of Natural Iodine, Easier to Swallow Tablet, Super Green, 200 Tablets

9.1

9.1

8.7

10

Life Extension Sea-Iodine Capsules, 1000 mcg, 150 Veg Caps, Natural Iodine Supplement from Kelp and Bladderwack

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