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10 Best Iodine Supplements 2025 in the United States
#1
Winner
Organic Lugol's Iodine, Iodine and Potassium Iodide 2% Solution 3000 mcg - Liquid Supplement Drops for Thyroid Support for Women & Men, Metabolism Health, Detox Boost - Non-GMO, 395 Servings (2 Oz)
The Organic Lugol's Iodine 2% Solution by Earth Harmony Naturals is a liquid iodine supplement designed to support thyroid health, metabolism, and cognitive function. This product contains both iodine and potassium iodide, delivering 3000 mcg per serving, which is effective for maintaining proper thyroid function. The liquid drop form makes it easy to adjust dosage and is suitable for those who have difficulty swallowing pills.
Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!#2
Global Healing Detoxadine - Organic Nascent Liquid Iodine Supplement Drops for Thyroid Support, Detox Cleanse, Metabolism Health and Better Sleep - Non-GMO, Vegan, 200 Servings Iodine Drops (1 Oz)
Global Healing Detoxadine provides a liquid form of iodine, which is easy to use and absorb. Its primary strength lies in its organic, non-GMO, and vegan-friendly formulation, making it suitable for a wide range of dietary preferences. Each bottle offers 200 servings, representing good value for those needing long-term thyroid support.
Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!#3
Pure Encapsulations Thyroid Support Complex - Supports Thyroid Health* - Antioxidant Infusion - with Ashwagandha & Iodine - Non-GMO & Vegetarian - 120 Capsules
Pure Encapsulations Thyroid Support Complex is a well-rounded iodine supplement designed to support thyroid health. It combines iodine with l-tyrosine and ashwagandha to help with hormone function, and includes additional vitamins and minerals like vitamin A, C, selenium, and turmeric for antioxidant benefits. These components suggest a comprehensive approach to thyroid health, which can be beneficial for those looking to support their thyroid function naturally.
Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Top 10 Best Iodine Supplements 2025 in the United States
#1
Winner
9.9 score
Organic Lugol's Iodine, Iodine and Potassium Iodide 2% Solution 3000 mcg - Liquid Supplement Drops for Thyroid Support for Women & Men, Metabolism Health, Detox Boost - Non-GMO, 395 Servings (2 Oz)
Organic Lugol's Iodine, Iodine and Potassium Iodide 2% Solution 3000 mcg - Liquid Supplement Drops for Thyroid Support for Women & Men, Metabolism Health, Detox Boost - Non-GMO, 395 Servings (2 Oz)
Form of Iodine: Iodine, Potassium Iodide
Dosage: 3000 mcg per serving
Purity and Quality: Non-GMO, vegan-friendly, allergen-free, cGMP
Form of Supplement: Liquid drop
Brand Reputation: Earth Harmony Naturals
Chosen by 1448 this week
Global Healing Detoxadine - Organic Nascent Liquid Iodine Supplement Drops for Thyroid Support, Detox Cleanse, Metabolism Health and Better Sleep - Non-GMO, Vegan, 200 Servings Iodine Drops (1 Oz)
Global Healing Detoxadine - Organic Nascent Liquid Iodine Supplement Drops for Thyroid Support, Detox Cleanse, Metabolism Health and Better Sleep - Non-GMO, Vegan, 200 Servings Iodine Drops (1 Oz)
Form of Iodine: liquid
Dosage: 200 servings per bottle
Purity and Quality: organic, non-GMO, vegan-friendly, cGMP
Form of Supplement: Drops
Brand Reputation: Global Healing Center
Pure Encapsulations Thyroid Support Complex - Supports Thyroid Health* - Antioxidant Infusion - with Ashwagandha & Iodine - Non-GMO & Vegetarian - 120 Capsules
Pure Encapsulations Thyroid Support Complex - Supports Thyroid Health* - Antioxidant Infusion - with Ashwagandha & Iodine - Non-GMO & Vegetarian - 120 Capsules
Form of Iodine: Capsule
Dosage: Two capsules daily
Purity and Quality: Non-GMO, vegetarian, allergen-free
Additional Ingredients: l-tyrosine, ashwagandha, vitamin A, C, selenium, turmeric
Form of Supplement: Capsule
Brand Reputation: Pure Encapsulations, high-quality products
Organic Iodine Liquid for Thyroid Support | Nascent Iodine Supplements | USDA Certified Organic | Decolorized Iodine for Metabolism Support | Potassium Iodide Liquid | 1100 mcg, Over 1-Year Supply
Organic Iodine Liquid for Thyroid Support | Nascent Iodine Supplements | USDA Certified Organic | Decolorized Iodine for Metabolism Support | Potassium Iodide Liquid | 1100 mcg, Over 1-Year Supply
Form of Iodine: nascent
Dosage: 1100 mcg
Purity and Quality: USDA Organic, Non-GMO
Form of Supplement: liquid
Brand Reputation: SMNutrition
Optimox Iodoral 12.5mg Supplement – Iodine for Thyroid Support, Potassium Iodide Tablets, Lugol Solution, Daily Vitamins & Minerals - 90 Count
Optimox Iodoral 12.5mg Supplement – Iodine for Thyroid Support, Potassium Iodide Tablets, Lugol Solution, Daily Vitamins & Minerals - 90 Count
Form of Iodine: Iodine and Iodide (potassium salt)
Dosage: 12.5 mg
Purity and Quality: Free from common allergens
Form of Supplement: Tablets
Brand Reputation: Optimox, since 2001
Related Products
Up to 33% off
Organic Iodine Liquid Drops by MaryRuth's | Potassium Iodide | Iodine Supplement | 1 Year Supply | 450 Servings | Thryroid Health | USDA Organic| Vegan | Non-GMO | Gluten Free | 1 Fl Oz
Organic Iodine Liquid Drops by MaryRuth's | Potassium Iodide | Iodine Supplement | 1 Year Supply | 450 Servings | Thryroid Health | USDA Organic| Vegan | Non-GMO | Gluten Free | 1 Fl Oz
Form of Iodine: potassium iodide
Dosage: 2 drops per serving
Purity and Quality: USDA Organic, Non-GMO, Vegan, Gluten Free
Additional Ingredients: organic vegetable glycerin, purified water
Form of Supplement: liquid
Brand Reputation: Clean Label Project, B Corp
Pure Encapsulations Iodine - Supplement to Support The Thyroid & Help Maintain Healthy Cellular Metabolism - with Premium Potassium Iodide - 120 Capsules
Pure Encapsulations Iodine - Supplement to Support The Thyroid & Help Maintain Healthy Cellular Metabolism - with Premium Potassium Iodide - 120 Capsules
Form of Iodine: Potassium iodide
Purity and Quality: High-quality, allergen-free, no GMOs
Form of Supplement: Capsule
Brand Reputation: Known for quality and purity
NOW Foods Supplements, Thyroid Energy™, Iodine and Tyrosine plus Selenium, Zinc and Copper, 180 Veg Capsules
NOW Foods Supplements, Thyroid Energy™, Iodine and Tyrosine plus Selenium, Zinc and Copper, 180 Veg Capsules
Form of Iodine: Capsule
Purity and Quality: Non-GMO, Kosher, free from allergens
Additional Ingredients: Tyrosine, selenium, zinc, copper, Ashwagandha
Form of Supplement: Capsule
Brand Reputation: NOW Foods, GMP certification
RLC, i-Throid 12.5 mg, Iodine and Iodide Supplement to Support Thyroid Health and Hormone Balance, 90 capsules (90 servings)
RLC, i-Throid 12.5 mg, Iodine and Iodide Supplement to Support Thyroid Health and Hormone Balance, 90 capsules (90 servings)
Form of Iodine: 5 mg iodine, 7.5 mg iodide
Dosage: 12.5 mg
Purity and Quality: free from allergens, no additives
Form of Supplement: Capsule
Brand Reputation: RLC Labs, 80 years experience
#10
7.9 score
Raw Whole Food Iodine Supplement from Organic Kelp (Ascophyllum Nodosum) by Peak Performance. Potassium Iodide Support Tablets. for Metabolism, Energy, and Immune. 60 Vegan Capsules, Pills.
Raw Whole Food Iodine Supplement from Organic Kelp (Ascophyllum Nodosum) by Peak Performance. Potassium Iodide Support Tablets. for Metabolism, Energy, and Immune. 60 Vegan Capsules, Pills.
Form of Iodine: Organic Kelp
Purity and Quality: Made in USA under GMP regulations
Additional Ingredients: Free from gluten, GMOs, additives
Form of Supplement: Capsule
Brand Reputation: Strong reputation, served 1 million customers
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Buying Guide for the Best Iodine Supplements
Choosing the right iodine supplement can be crucial for maintaining your thyroid health and overall well-being. Iodine is an essential mineral that your body needs to produce thyroid hormones, which regulate your metabolism, energy levels, and many other important functions. When selecting an iodine supplement, it's important to consider several key specifications to ensure you are getting the right product for your needs.Form of IodineIodine supplements come in various forms, including potassium iodide, sodium iodide, and molecular iodine. The form of iodine is important because it affects how the body absorbs and utilizes the mineral. Potassium iodide is the most common form and is well-absorbed by the body. Sodium iodide is also effective but less commonly used. Molecular iodine is less common and may be used in specific medical conditions. Choose the form that best suits your health needs and consult with a healthcare provider if you are unsure.
DosageThe dosage of iodine in supplements can vary widely, typically ranging from 150 micrograms (mcg) to several milligrams (mg). The recommended daily allowance (RDA) for iodine is 150 mcg for most adults, but your needs may vary based on factors like age, pregnancy, and existing health conditions. It's important to choose a dosage that meets your specific needs without exceeding the safe upper limit, which is generally considered to be 1,100 mcg per day for adults. Consult with a healthcare provider to determine the appropriate dosage for you.
Purity and QualityThe purity and quality of an iodine supplement are crucial for ensuring safety and effectiveness. Look for supplements that are third-party tested for contaminants and purity. High-quality supplements will often have certifications or seals of approval from reputable organizations. Choosing a product with high purity ensures that you are not ingesting harmful substances along with your iodine.
Additional IngredientsSome iodine supplements contain additional ingredients such as vitamins, minerals, or herbal extracts. These can provide added health benefits but may also cause interactions or side effects. If you have allergies or sensitivities, check the ingredient list carefully. Choose a supplement that contains only the ingredients you need and avoid unnecessary additives.
Form of SupplementIodine supplements are available in various forms, including tablets, capsules, liquids, and drops. The form of the supplement can affect how easily it is absorbed and how convenient it is to take. Tablets and capsules are easy to dose and transport, while liquids and drops can be more easily adjusted for precise dosing. Choose the form that best fits your lifestyle and preferences.
Brand ReputationThe reputation of the brand manufacturing the iodine supplement is an important consideration. Established brands with a good reputation are more likely to produce high-quality, reliable products. Look for brands that have positive reviews, transparent manufacturing practices, and good customer service. Researching the brand can help ensure you are getting a trustworthy product.