Best Iodine Supplements of 2026

"I've seen amazing results after using this, so much so that I'm recommending it to everyone I know. I started with just a couple drops, increased gradually, and after two weeks, I'm up to six drops a day. This brand feels more trustworthy to me, so I plan to stick with it."

"As someone with lots of allergies, I appreciate that this iodine is pure and free of unnecessary extras. I use a few drops on my skin daily and haven’t had any negative reactions. I haven’t tried it orally, but for topical use, it’s working great for me."

"After struggling for years with eczema, psoriasis, and stubborn acne, I tried this iodine based on positive reviews. Within a day of starting five drops in water, I noticed healing in my skin and clear improvements in my hands and face. I even lost six pounds in two weeks without changing my diet. My sleep and appetite are more balanced now, and I feel genuinely better overall."

"I've been using this product to improve my thyroid health, and I've noticed fewer headaches and more energy after just a few weeks. The taste is pretty strong, but I quickly chase it with water or juice and it’s not a problem. You only need a few drops daily, so the bottle lasts a long time. I definitely recommend giving it a try if you’re looking for something to support your wellness."

"I was experiencing symptoms of iodine deficiency and, after starting this, I noticed less fatigue and increased hair growth. The taste is intense at first, but it gets easier over time, especially if you aim for the back of your tongue. The price is good for what you get, and I’m amazed at the positive changes it’s brought to my health. Just be careful not to spill any—it’s tough to clean!"

"I appreciate that this is an organic, high-quality iodine supplement. The liquid dropper is super convenient for adjusting my dose, and the bottle provides a lot of servings for the price. While the flavor is a bit strong, I find it manageable and worth it for the benefits to my thyroid and overall health."

"After years of feeling sluggish by noon, I tried this supplement and was amazed by the results. I felt energized and productive without feeling sleepy, even after taking it on an empty stomach. No upset stomach, and the price was great! I'll definitely keep buying it."

"As a vegetarian struggling with hair loss, fatigue, and sluggish thyroid, I did my research and chose this supplement based on positive reviews. After a month, I've noticed increased energy, clearer skin, reduced sweets cravings, and my hair is growing in thicker. It wasn't an overnight change, but I'm a different person now—with better focus and less pain. I recommend giving it at least two months. Highly recommend for thyroid issues!"

"I've been using this for three weeks and my sleep has improved, thyroid-related swelling is down, and my hair loss has decreased by about 80%. My energy is up, and even my family has noticed the difference. My appetite and sugar cravings have dropped, and I feel younger and more active. If this keeps up, I'm sticking with this product for life!"

"Since adding these drops to my daily routine, I've noticed increased energy and better metabolism. I love that it's gluten-free, tasteless, and organic—super easy to take and fits perfectly with my health goals."

"I've struggled with Hashimoto's and thyroid swelling for years, trying every medication out there. After switching to these iodine drops under my doctor's supervision, my brain fog lifted and my thyroid puffiness went down for the first time in years. I did experience a false high TSH reading, but overall, I'm very pleased."

"After using this for about three months, I honestly haven't noticed any major changes. There's no taste at all, so it's easy to use, but I probably won't repurchase since I didn't see any difference."

"I've found these vitamins offer excellent absorption and bioavailability, making them stand out from other options I've tried. If you look into it, you'll see the forms used here are more easily utilized by the body."

"Coming from a medical background, I appreciate products that are well-formulated and effective. Even though only a few brands have top-tier supplement certification, I personally use this one and have seen noticeable improvements in my thyroid health and lab results after consistent use."

"After struggling with hypothyroidism and autoimmune issues for years, I tried this supplement as part of my approach. Over several months, I saw my TSH levels drop significantly, confirming through lab tests that it truly works for me."

"On this supplement, I’ve noticed a boost in my energy and better sleep quality. I like being able to open the capsules and adjust the dosage to fit my needs, especially since I mostly use non-iodized salt. It’s reassuring to know I’m getting enough iodine for my thyroid health."

"I’m pretty sensitive to supplements, but this iodine was easy for me to take. No bad reactions at all, and I feel more centered and may have even lost some weight. I only take it once a day or every other day, and so far it’s been a positive experience."

"After using this product, my thyroid became underactive. My research suggests doses over 500 mcg daily might be risky and could affect thyroid function. I’d recommend caution with higher doses and always checking with a healthcare professional first."

"Using this nascent iodine has been absolutely transformative for my thyroid health. I appreciate its organic certification and high bioavailability, which gives me total confidence in both purity and potency. The liquid drops make dosing easy and allow me to personalize my intake, and I've noticed genuine improvements in energy, temperature regulation, and overall wellness. It's become a staple in my long-term thyroid management and overall health routine."

"I chose this product after seeing so many so-called nascent iodines were actually other forms like potassium iodide. This one is the real deal—with a good concentration per serving and authentic nascent iodine. I’m very satisfied with the value and quality."

"Since starting this iodine, I’ve experienced some detox symptoms like occasional pimples, but I now understand this is part of my body clearing out fluoride and other toxins after years of exposure. Even with these mild effects, I’m hopeful for long-term benefits and have already been able to reduce my thyroid medication. I’ll continue and update my progress, but so far, the detox process feels worthwhile."

"After starting this supplement, I noticed a significant improvement in my thyroid function. It has helped regulate my thyroid, and I'm really impressed with how well it works!"

"Following Dr. Brownstein's advice, I tried this product to address persistent, painful cysts. Not only have several cysts shrunk or disappeared, but I've also experienced clearer skin, stronger hair and nails, and overall better detoxification. Increasing my dosage produced even better results. I highly recommend this supplement, especially for its natural, sea vegetable-based ingredients."

"I love that this supplement has consistent quality every shipment. Since taking it, I've felt a noticeable difference within a week. It's become a staple in my routine, and I appreciate the fact that it's made from whole food iodine."

"I've noticed a significant boost in my energy levels and clearer thinking since adding this iodine to my routine. The deep red color and high-quality formula give me confidence, and I appreciate that it's lab-tested and made in a GMP-certified USA facility. Overall, it's an effective and reliable supplement that offers real value."

"I've been using this for years in my nebulizer and remain consistently happy with the results. The convenience of the dropper and the classic Lugol's formula make it easy to maintain my wellbeing."

"Just a heads up—be sure you truly need iodine supplementation. I became irregular with my dose and ended up with a low TSH reading and some uncomfortable side effects. After stopping, it took a while for my system to stabilize. Use with care and don't overdo it."

"After struggling with alarming hair shedding and low energy related to my cycle, I started taking this kelp iodine along with my other supplements. Within a month, my hair loss decreased and my energy improved, which made me more motivated to make positive health changes. I definitely noticed results in the first 30 days, and even more by 60 days."

"I was exhausted and had tingling in my feet and hands until I realized I might have an iodine deficiency as a vegan. After starting this product, my energy began returning within a couple of days and the tingling almost disappeared. The tablets are small, easy to split or chew, and taste just like sea kelp."

"I bought this for my mom because she had an iodine deficiency. She noticed significant improvements in her well-being and health after starting the supplement. It's simple to swallow, and the effects have been incredible for her, so I'll definitely keep ordering it."