Best Iodine Supplements for Thyroid 2023

The thyroid gland is a tiny, butterfly-shaped gland in the neck that creates hormones that control many functions in the body. These hormones have an impact on vital functions like metabolism, heart rate, body temperature, and others. 

If the thyroid gland is not functioning properly, it can lead to many health issues. For instance, hypothyroidism occurs when the thyroid gland does not produce enough thyroid hormones, leading to symptoms such as fatigue, weight gain, and depression. Contrarily, hyperthyroidism develops when the thyroid gland overproduces thyroid hormone, resulting in symptoms like weight loss, anxiety, and fast heartbeat or tachycardia.

Problems with the thyroid can be caused by many factors, including iodine deficiency, autoimmune diseases, leading either to hyperthyroidism (caused by Graves’ disease) or hypothyroidism (caused by Hashimoto's disease), inflammation, nodules, or non-cancerous lumps, and many more. If you think you have problems with your thyroid, best to consult your doctor to determine the best treatment because it may be fatal if left untreated.

Natural Ways to Take Care of the Thyroid Gland

  • A healthy diet. Consuming a balanced diet of whole foods, fruits, vegetables, nuts, seeds, and lean protein can help keep the thyroid gland healthy. Aside from that, consuming iodine-rich foods like seaweed, and iodized salt can help support your thyroid function. 
  • Stress management. The thyroid gland and the production of hormones can be impacted by stress. Therefore, stress management techniques like yoga, meditation, or deep breathing exercises can enhance thyroid health. 
  • Getting enough sleep. Adequate sleep is important for general health and can support thyroid gland health. Aim to sleep for 7-8 hours per night. 
  • Exercise. Regular exercise can help enhance thyroid function by promoting metabolism, improving energy levels, and reducing stress.
  • Limiting exposure to toxins. Exposure to environmental toxins, such as chemicals and pollutants, can damage the thyroid gland. Thus, avoiding exposure to these toxins by using natural cleaning products, avoiding smoking, and limiting exposure to pesticides can help support thyroid health.

Iodine for Healthy Thyroid Function

Iodine is essential for thyroid hormone synthesis. Both iodine deficiency and iodine excess are associated with an increased risk of thyroid disorders.

The Recommended Dietary Allowance (RDA) for adult men and women is 150 μg/day. Most people should be able to get all the iodine they need by eating a varied and balanced diet. However, it may be difficult for some people. If you are considering taking a supplement seek advice from a healthcare professional.

Iodine Deficiency and Thyroid Function
When the body does not get enough iodine, the thyroid gland cannot produce enough thyroid hormones. This will result in a condition known as hypothyroidism. The symptoms of hypothyroidism include weight gain, fatigue, cold intolerance, constipation, dry skin, hair loss, and depression. In children, hypothyroidism can cause developmental delays and growth retardation.

In areas where iodine deficiency is common, public health measures such as iodization of salt, flour, or other food products, are usually implemented to prevent the condition. Moreover, taking iodine supplements can help treat and prevent iodine deficiency.

Excess Iodine and Thyroid Function
While iodine deficiency can lead to hypothyroidism, excess iodine intake can also have negative effects on thyroid function. Ingesting too much iodine can cause a condition known as iodine-induced hyperthyroidism, in which the thyroid gland produces too much thyroid hormone. Moreover, too much iodine also can slow down the body's capacity to absorb and utilize other necessary minerals like selenium and can eventually damage the thyroid gland.

Best Iodine Supplements for Thyroid

1. Mary Ruth's Iodine Organic Supplement 

- Liquid Iodine
The body doesn’t naturally produce iodine, so it is an essential part of any diet. At particular risk for iodine deficiency are those on a vegan or vegetarian diet, or those pregnant and nursing. It is crucial during pregnancy, when the body requires greater amounts of iodine to support the developing fetus.

- Multiple Benefits
Iodine deficiencies can lead to feeling fatigued and weak, dry and brittle hair, skin, and nails, and weight gain. Iodine is especially important for thyroid health, which regulates hormone production, which in turn plays an important role in metabolism, stimulating the immune system and moderating the central nervous system. Support your body with this essential micronutrient!

- Vegan Formula
250 mcg Iodine (as Potassium Iodide). Other Ingredients: Organic Vegetable Glycerin and Purified Water. The suggested serving of our Iodine Liquid Drops contains more than the recommended daily value for adults, except for those lactating. An individual’s iodine needs are impacted by diet. Consult with a healthcare professional to determine if supplementing iodine intake is the right choice for you!

- Easy-to-Take Liquid Drops
No more hard-to-swallow pills or capsules! Shake well before use. Adults take 1-2 drops daily or as recommended by a physician or healthcare professional. Take by mouth or add to water or juice. This bottle will last you: a little goes a long way! Each bottle comes with 450 servings.

- For Most Lifestyles
Iodine Liquid Drops by MaryRuth's is Free of the 8 Major Allergens. Non-GMO, Vegan, Dairy Free, Nut Free, Gluten & Wheat Free, Soy Free, Corn Free, Nightshade Free. No Added Sugar, No Artificial Colors. Made in a GMP Facility.

4.6 out of 5 - more than 11,300 global ratings

Added for thyroid health. Talk to your providers. But it's sweet taste makes it easy to take. No complaints.

2. Life Extension Sea-Iodine 1000 mcg – Iodine Supplement Without Salt

- Thyroid Health and Beyond
Iodine is a health-promoting trace element that is essential for good health, and it’s usually found within seafood & iodized salt. Our Sea-Iodine formula provides 1000 mcg to support healthy levels of this essential element

- Trace Element Essential
The thyroid gland absorbs iodide from the blood to make & release the hormones into the blood. A healthy thyroid gland not only acts as your body’s thermostat, but it’s also one of the significant maintainers of metabolism

- Healthy Benefits Without the Salt
Sea-Iodine provides 1000 mcg of this essential element without upping your salt intake by using a blend of organic marine algae to provide you with over 667% of the Recommended Daily Value of iodine

- Ingredients Matter
Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free, and manufactured in the USA-and a Certificate of Analysis is available

- Live Your Healthiest Life
For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards. Our formulations are created using the ingredients and dosages used in the studies that inspired them

4.6 out of 5 - more than 5,800 global ratings

Awesome product! My thyroid function has improved. My body temperature would average 96.8, but after taking this for a week, it averages 98.0. I feel so much better!

3. Pure Encapsulations Iodine Supplement

- Cellular Metabolism Support
Iodine provides support for the thyroid gland and helps to maintain healthy cellular metabolism.*
Thyroid Support: Iodine is absorbed by the thyroid gland and supports the formation of thyroid hormones.*

- Metabolic Function Support
In the cell, thyroid hormones promote metabolic function by enhancing mitochondrial activity and enzyme synthesis, especially in tissues and organs such as the liver and muscles.*

- Pure Quality
Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.

- Pure Difference
What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

4.6 out of 5 - more than 2,500 global ratings

My husband was having muscle spasms every night except when we went South. It took us a long time to realize that he used pure salt at home and we bought regular iodized salt when we went South. My grandson suggested it may be iodine deficiency that was causing the muscle spasms so I bought the iodine tablets and he doesn't have those horrible muscle spasms anymore.

4. Go Nutrients Nascent Iodine Supplement

Go Nutrients Nascent Iodine Supplement

- Advanced Iodine Vitamin 
Nascent Iodine, sometimes known by the generic term atomic iodine, is an orally administered liquid form of iodine. Our advanced formula does not contain any trace of potassium iodide (a low-grade-less bio-available form of iodine).

- Active Ingredients
Our supplement includes USP-Grade Kosher Vegetable Glycerin. It's non-GMO, gluten, dairy, and soy-free essential iodine with 2,694mcg per serving. There are no artificial sweeteners or preservatives for complete all-essential nutrition.

- Easy and Convenient Liquid Drops
No more hard-to-swallow pills! These liquid drops work well for those who fear swallowing pills or have difficulty absorbing nutrients! Our iodine solution is readily absorbed, digested, and assimilated by the body. You deserve a top-tier supplement without fillers or binders.

- Made in the USA
All our products are researched thoroughly and made in our FDA-registered facility that follows strict GMP practices. We're so confident you'll love Iodine Edge that we'll refund every penny if you don't like it!

4.5 out of 5 - more than 4,400 global ratings

I used this product for my Tyroid issues. I swear to God I did a patch test and my skin inhaled this product within minutes. My eye site was sharper, I’ve been seeing blurry for a couple of years and after taking this in the first day my eye site was sharper. I took it the next day same thing and my body got new energy, and stuff I’ve been procrastinating over for months suddenly I want to do. I know it’s only 2x I took this but what a game changer.

5. NutraChamps Iodine Drops

NutraChamps Iodine Drops

- Energy, Clarity, Metabolism & Balance 
Give your body what it needs. Iodine isn’t produced by the body, and so taking an iodine supplement is essential for many that don’t get enough in their diet. Iodine deficiencies can lead to exhaustion, weight gain, dry skin and even more issues that can be prevented. With just a couple flavorless drops each day, you’ll ensure your iodine levels are kept in check.

- High Absorption & Potency 
NutraChamps’ premium Iodine was scientifically designed in a highly concentrated liquid delivery system to maximize the amount of Iodine that your body absorbs and utilizes. Its oral drops allow for super fast absorption so that you start reaping benefits virtually instantly upon use. Enjoy high-purity iodine in purified water, with nothing else.

- Convenient & Tasteless 
These easy to take, sublingual iodine drops are safe and effective for both women and men. and a breeze to take directly into the mouth, or to mix into your favorite drink.

- Essential for a Healthy Thyroid 
Iodine deficiency is often the root cause of thyroid problems. Since our bodies can’t produce it naturally, iodine is vital for healthy thyroid function, metabolism & maintaining natural energy levels. And if you’re looking for a quality iodine mineral supplement to help avoid conditions like underactive thyroid, hormone disbalance, and to help control your weight, you’ve found it.

4.6 out of 5 - more than 1,000 global ratings

It's great for me, as a nearly 100% vegetarian, to know that Nutra Champs offers iodine.
I bought it and used it for a couple of weeks and it is a very good product, I really need it to help my thyroid work properly.
I have been using their products for several years and they are all really a very good ones, awesome price and a high quality.


a. Why is the Thyroid So Important?

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