10 Best Iodine Supplements 2025 in the United States

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.

Additionally, the product is non-GMO, vegan-friendly, and free from common allergens and artificial additives, ensuring high purity and quality. Produced in a cGMP facility, it adheres to high manufacturing standards, adding to its credibility. The unflavored nature might be off-putting for some users, and the bottle size (2 oz) requires careful handling to avoid spillage.

This supplement is ideal for individuals looking to improve thyroid health, support metabolism, and enhance cognitive function with a clean, high-quality iodine source.

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.

Additionally, it supports metabolism, energy levels, focus, and sleep, making it a versatile supplement for comprehensive health. The fact that it’s manufactured in a cGMP certified facility in the USA adds to its credibility and assures quality and purity.

However, some users might find the taste of iodine drops not to their liking, and the liquid form may be less convenient for travel compared to tablets or capsules. Despite these minor drawbacks, the product’s strong emphasis on purity, quality, and comprehensive health benefits make it a solid choice for those seeking an iodine supplement.

The Organic Iodine Liquid for Thyroid Support by SMNutrition offers an impressive dosage of 1100 mcg of iodine per serving, which can greatly benefit those looking to support their thyroid function and metabolism. Its nascent form makes it highly absorbable, providing an edge over other types of iodine supplements. The product is USDA Certified Organic and Non-GMO, ensuring high purity and quality, which is crucial for a supplement.

Additionally, it is vegan and third-party tested, adding to its credibility and safety profile. The liquid form allows for easy and precise dosing, and the 2 fl. oz. bottle offers a generous supply that can last over a year, making it a cost-effective option for long-term use. However, it's important to note that the product is unflavored, which might not be appealing to everyone. The absence of flavor can be a drawback for those who are sensitive to the taste of supplements.

The product is manufactured in the USA by SMNutrition, a brand that appears to have a focus on quality and certification. This iodine supplement would be particularly beneficial for individuals seeking a reliable, long-term solution to support thyroid health and metabolism, especially those who prefer organic and vegan products.