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.

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.

The supplement is non-GMO and vegetarian, making it suitable for many dietary preferences. The dosage is straightforward, with a suggestion of taking two capsules daily with a meal, providing ease of use for consistent supplementation. However, the emphasis on additional ingredients like ashwagandha and turmeric might not be necessary for everyone, and those looking solely for iodine might find this blend more complex than required.

The brand, Pure Encapsulations, is known for its high-quality, allergen-free products, which adds credibility and trust in the product's purity and quality. Each bottle contains 120 capsules, sufficient for a two-month supply, making it a convenient option for long-term use. The capsule form is easy to take but might not be ideal for those who have difficulty swallowing pills. This supplement is best suited for adults looking for a comprehensive thyroid support solution, with the added benefits of antioxidants and hormone function support.