Best Gluten-Free Iodine Supplements of 2025

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Gluten-free iodine supplements are an essential source of iodine for those with gluten sensitivities or celiac disease. Iodine is a vital mineral that supports thyroid health, hormone balance, and cognitive function. These supplements are made without the use of gluten-containing ingredients and are suitable for those following a gluten-free lifestyle. They come in various forms, including capsules, tablets, and drops, and are available in different dosages to meet individual needs. It is important to consult a healthcare professional before taking any new supplement, especially if you have a medical condition or are taking medication.
At a Glance: Our Top Picks
Top 10 Gluten-Free Iodine Supplements
Sea Kelp Iodine | 225mcg | 500 Tablets | by Carlyle
Carlyle Sea Kelp Iodine is a traditional herb supplement that delivers 225mcg of iodine per tablet from green seaweed, providing 150% of your daily value to support your overall wellness. The product is non-GMO, gluten-free, and free from artificial flavor, sweetener, and preservatives. Carlyle, a trusted manufacturer of premium supplements, ensures superior quality and guarantees 100% satisfaction.
MaryRuth's Iodine Liquid Drops
MaryRuth's Iodine Liquid Drops is a USDA organic, vegan, and easy-to-take Iodine supplement that comes in liquid drops. The liquid drops are an excellent alternative to hard-to-swallow pills or capsules. The suggested serving contains more than the recommended daily value for adults, and the bottle comes with 450 servings. Iodine is essential for thyroid health, which regulates hormone production, plays an important role in metabolism, stimulates the immune system, and moderates the central nervous system. It is especially important for pregnant and nursing women and those on a vegan or vegetarian diet who are at risk of iodine deficiency.
Nutricost Iodine Supplement 325mcg, 240 Tablets
The Nutricost Iodine Supplement provides 325mcg of natural iodine sourced from sea kelp in each of its 240 easy-to-swallow tablets. It is a non-GMO, gluten-free and vegetarian-friendly product that is manufactured in a GMP compliant facility. This iodine supplement is ideal for individuals who need iodine supplementation to support thyroid function, hormone balance, and other bodily processes.
Carlyle Organic Nascent Iodine Liquid Drops: Optimal and Honest Supplement for Your Wellness
Carlyle Organic Nascent Iodine Liquid Drops is the perfect supplement for your healthy lifestyle. It contains 325 mcg of Iodine in two liquid drops, which is 217% of your daily value. This optimally absorbed form of Iodine is one of the body's many important trace minerals. Carlyle is rooted in wellness and provides premium, honest supplements. The product is vegan, non-GMO, gluten-free, and organic. Carlyle Manufacturers ensure laboratory-tested, trusted ingredients, superior quality, and 100% guaranteed!
Nutricost Kelp Tablets, 325mcg of Iodine, 240 Tablets
Nutricost Kelp Tablets are a natural source of iodine, made with sea greens. Each tablet contains 325mcg of iodine from sea kelp. With 240 easy-to-swallow tablets, this product provides a convenient way to supplement your iodine intake. It is non-GMO, gluten-free, and vegetarian-friendly, making it suitable for various dietary preferences. The tablets are made in a GMP compliant facility, ensuring high quality and safety. By incorporating Nutricost Kelp Tablets into your daily routine, you can support your iodine levels, which play a crucial role in maintaining thyroid health and overall well-being.
Organic Lugol's Iodine 2% Solution - Liquid Supplement Drops for Thyroid Support
The Organic Lugol's Iodine 2% Solution is a liquid supplement drop that helps reduce thyroid vascularity, assists in maintaining consistent metabolism and energy levels, and improves cognitive performance. It is made of the highest quality ingredients, non-GMO, gluten-free, soy-free, dairy-free, vegan-friendly, and free of any artificial flavors and synthetic dyes. This supplement will help you maintain healthy hormone levels and support a healthy endocrine system. Plus, the Love It or Return It Guarantee ensures that you can try it risk-free.
Horbäach Nascent Iodine Supplement
Horbäach Iodine Drops offer a highly effective form of iodine, a vital trace mineral for your body. Each serving delivers 325 mcg of iodine, fulfilling 217% of your daily requirement in convenient liquid drops. This organic formula is expertly crafted to ensure purity and potency, so you can trust that you’re getting a quality supplement. Additionally, Horbäach prioritizes your health by ensuring their products are free from gluten, yeast, and artificial additives, making it a safe choice for various dietary needs.
Peak Performance Raw Whole Food Iodine Supplement
Peak Performance Raw Whole Food Iodine Supplement offers a potent source of iodine from raw kelp that is better digested and assimilated into the body. It is vegan formulated, free of gluten, GMOs, additives, preservatives, artificial colors, soy, and dairy. Additionally, it is manufactured under the highest quality GMP regulations and USA standards. Most importantly, it is 3rd party tested to ensure maximum potency, purity, and safety. The product supports thyroid function, immune system, and increases energy levels. Moreover, every purchase helps supply vitamins for 1 year to a child at risk of malnutrition through their partnership with the nonprofit Vitamin Angels.
Carlyle Liquid Iodine Drops 4 fl oz
Carlyle Iodine Drops provide a convenient way to boost your iodine intake, delivering 150 mcg per serving. This vegetarian-friendly liquid formula is perfect for those following a plant-based diet, ensuring you can maintain your lifestyle while supporting your health. Carlyle is dedicated to wellness, offering high-quality supplements that you can trust. Each bottle is laboratory tested for superior quality, so you can feel confident about what you're consuming. With a commitment to clean ingredients, these drops are free from gluten, artificial sweeteners, and preservatives, making them a safe choice for your health journey.
Piping Rock Organic Iodine Drops
Piping Rock Iodine Drops are a convenient liquid supplement designed to support your thyroid health. Made with organic ingredients, these drops ensure you are getting pure iodine without any harmful additives. They are also non-GMO and gluten-free, making them a safe choice for vegans and those with gluten sensitivities. The liquid form allows for easy dosing, ensuring that you can absorb the nutrients efficiently. With these drops, you can help maintain your metabolism and overall well-being with minimal effort.
Frequently Asked Questions (FAQs)
1. What type of iodine is best for thyroid?
Thorne Iodine and Tyrosine Its iodine supplement is designed to support thyroid health using a combination of 225 mcg of potassium iodide, or 150% of the RDI, and 500 mg of tyrosine — an amino acid your body uses to produce thyroid hormones ( 2 ).
2. Who should not use iodine?
Thyroid disorders: Prolonged use or high doses of iodine might make certain thyroid disorders worse, including hypothyroidism, an enlarged thyroid gland (goiter), or a thyroid tumor. Also, people with autoimmune thyroid disease might be especially sensitive to the harmful effects of iodine.
3. Should you avoid iodine with Hashimoto's?
Should people with thyroid problems avoid these supplements? Iodine: Yes. Avoid it as a supplement whether you have hyperthyroidism or hypothyroidism. The effect of iodine supplements can vary by person, causing the thyroid to produce either too much or too little hormone.
4. Is potassium iodide the same as iodine?
Potassium iodide (KI) is the same form of iodine used to iodize table salt. KI floods the thyroid with iodine, thus preventing radioactive iodine from being absorbed. If taken at the proper time, KI protects the thyroid from radioactive iodine from all sources – air, food, milk, and water.
During our gluten-free iodine supplement research, we found 24 gluten-free iodine supplement products and shortlisted 10 quality products. We collected and analyzed 84,394 customer reviews through our big data system to write the gluten-free iodine supplements list. We found that most customers choose gluten-free iodine supplements with an average price of $19.39.
The gluten-free iodine supplements are available for purchase. We have researched hundreds of brands and picked the top brands of gluten-free iodine supplements, including Carlyle, MaryRuth Organics, Nutricost, Earth Harmony Naturals, Peak Performance. The seller of top 1 product has received honest feedback from 42,447 consumers with an average rating of 4.9.

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