Best Thyroid Support Iodine Supplements of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 2 Feb 2025

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Thyroid Support Iodine Supplements are a range of dietary supplements designed to support thyroid function. They contain a carefully balanced blend of essential vitamins, minerals, and herbs, including iodine, selenium, and ashwagandha, that are known to have a positive impact on thyroid health. These supplements are suitable for anyone looking to maintain a healthy thyroid gland or for those with an underactive thyroid. While they are not intended to replace medical treatment, they may help to support thyroid function and promote overall wellness.

At a Glance: Our Top Picks

Pure Encapsulations Iodine Supplement 225 UG Cover #TOP 1
Pure Encapsulations Iodine Supplement 225 UG
ftb score rating icon 9.9
Liquid Nascent Iodine Drops for Thyroid Support Cover #TOP 2
Liquid Nascent Iodine Drops for Thyroid Support
ftb score rating icon 9.8
Vitality Bioresearch Iodine Sea Kelp Tablets Cover #TOP 3
Vitality Bioresearch Iodine Sea Kelp Tablets
ftb score rating icon 9.6

Top 10 Thyroid Support Iodine Supplements

Pure Encapsulations Iodine Supplement 225 UG

Pure Encapsulations Iodine Supplement 225 UG Cover
Pure Encapsulations - Iodine (Potassium Iodide) 225 UG - Hypoallergenic Supplement Supports Metabolism, Healthy Skin and Thyroid Function - 60 Vegetarian Capsules

This Pure Encapsulations Iodine supplement provides 225 micrograms of iodine per vegetarian capsule, aiding in optimal iodine intake for your diet. Iodine is essential for maintaining normal cognitive function and supporting your nervous system. Additionally, it contributes to energy-yielding metabolism and skin health, helping you feel revitalised. It also plays a crucial role in the production of thyroid hormones, ensuring your thyroid functions normally. You only need to take one capsule daily with a meal for the best results.

What We Like
Supports cognitive function
Boosts energy metabolism
Promotes healthy skin
Maintains thyroid function
Vegetarian-friendly capsules

Liquid Nascent Iodine Drops for Thyroid Support

SMNutrition
60 ml (Pack of 1)
Liquid Nascent Iodine Drops for Thyroid Support Cover
Liquid Nascent Iodine Drops | Iodine Supplement for Thyroid, Energy & Metabolism Support | 2 Fl Oz | 500 Servings | Non-GMO, Vegan, Third-Party Tested, Highly Absorbable | 1100 mcg Per Serving

SMNutrition Iodine Drops provide a potent dose of iodine, essential for supporting your thyroid function and overall hormone balance. With 1,100 mcg per serving, these liquid drops ensure you receive adequate iodine, which can improve energy levels and metabolism. The highly absorbable formula means your body can utilise the iodine more effectively than solid supplements. Plus, with 500 servings in each bottle, you’ll enjoy a long-lasting supply that keeps you on track with your health goals.

What We Like
Highly absorbable liquid formula
Supports thyroid and metabolism
Long-lasting 500 servings
Non-GMO and vegan
Third-party tested for quality

Vitality Bioresearch Iodine Sea Kelp Tablets

Vitality Bioresearch Iodine Sea Kelp Tablets Cover
Iodine Supplement from Wild Grown Sea Kelp 150 mcg - Pure Iodine Sea Kelp for Immune System, Thyroid Support, Energy, Metabolism with Antioxidants, 90 Vegan Iodine Tablets

Vitality Bioresearch Kelp Tablets provide a stable iodine source, thanks to their unique low-pressure technology used in a temperature-controlled UK lab. This method preserves essential nutrients without requiring high dosages. The potent slow-release formula ensures that iodine is released gradually, which is beneficial for your body’s absorption. Each batch is rigorously tested for purity and consistency, ensuring freedom from heavy metals. Additionally, the sustainable wild kelp is responsibly sourced from Scotland’s Outer Hebrides, supporting both your health and environmental sustainability.

What We Like
Stable nutrient preservation
Gradual iodine release
Thoroughly tested for purity
Sustainably sourced kelp
#TOP 4

Viridian Thyroid Complex with Iodine and Selenium

VDN-401
Viridian Thyroid Complex with Iodine and Selenium Cover
Viridian - Thyroid Complex - 60 Caps | Iodine & Selenium with Zinc, Vitamin A, Iron & B Vitamins | Normal Thyroid Function, Reduction of Tiredness & Fatigue | Nutritionist Formulated

Viridian Thyroid Complex is designed to support your thyroid function with essential nutrients like iodine and selenium. These minerals help regulate thyroid hormones, which are vital for your metabolism and overall health. The inclusion of B vitamins aids in reducing tiredness and fatigue, keeping your energy levels steady throughout the day. Additionally, zinc and vitamin A contribute to a robust immune system, cognitive function, and skin health, promoting your overall vitality.

What We Like
Supports normal thyroid function
Reduces tiredness and fatigue
Promotes optimal metabolism
Vegan-friendly formula
Free from artificial fillers
#TOP 5

Life Extension Thyroid Support with Iodine

LEF-0680
Life Extension Thyroid Support with Iodine Cover
Life Extension, Thyroid Support Complex, with Iodine and L-Tyrosine, 60 Vegan Capsules, Laboratory Tested, Gluten-Free, Vegetarian, SOYA-Free, Non-GMO

Life Extension Thyroid Support is a high-dosage supplement that combines essential nutrients such as vitamin A, vitamin B12, iodine, ashwagandha extract, L-tyrosine, and ginseng root extract. This complex is designed to support your thyroid health and boost your overall wellbeing. With good bioavailability, it ensures your body effectively absorbs these nutrients. Additionally, the capsules are suitable for a vegan diet and are free from gluten and genetically engineered ingredients, making them a convenient choice for health-conscious consumers.

What We Like
High-dosage formulation
Good bioavailability
Vegan-friendly
Gluten-free
Quality tested
#TOP 6

Iodine Tablets for Thyroid & Nervous System Support

Sensilab
Iodine Tablets for Thyroid & Nervous System Support Cover
Iodine Tablets 200 mcg – Potassium Iodide Capsules for Thyroid & Nervous System Support – 120 Iodine Capsules - 4-Month Supply by Sensilab Essentials

Sensilab Iodine Capsules are a beneficial supplement designed to support your thyroid and nervous system health. Each capsule contains potassium iodide, which promotes healthy thyroid function and contributes to normal cognitive performance. With just one small, easy-to-swallow capsule a day, you may observe improvements in your skin tone, metabolism, and energy levels. These capsules are vegan-friendly, ensuring that you can enjoy their benefits without compromising your values.

What We Like
Supports thyroid function
Easy to swallow
Vegan-friendly ingredients
Four-month supply
Produced under GMP standards

Sensilab ThyroLux Thyroid Support Supplement

Sensilab
250029
Sensilab ThyroLux Thyroid Support Supplement Cover
Thyroid Supplement – Iodine, Selenium, L-Tyrosine, Zinc, Manganese – 180 Capsules for 180 Days – Plant-Based – Sensilab ThyroLux

Sensilab ThyroLux is a comprehensive thyroid support supplement that combines iodine and selenium, two key nutrients essential for normal thyroid function. Enhanced with manganese, it helps protect your thyroid gland and liver from oxidative stress while supporting energy production. Additionally, zinc is included for its role in cognitive function and cell protection. With a high concentration of natural ingredients, this product is hormone-free, making it a safe option for everyone, including those with dietary restrictions.

What We Like
Powerful nutrient blend
Supports thyroid function
Safe for various diets
High production standards

Heiltropfen 5% Lugol's Iodine Solution Drops

LUG5ML100
100 ml (Pack of 1)
Heiltropfen 5% Lugol's Iodine Solution Drops Cover
Lugols Iodine Solution 5% 3.4 Oz - 100 ml | 15% Liquid Formulation | 5 Percent Iodine Supplement - Liquid Drops | Thyroid Support | Made with 5 Percent Iodine and 10% Potassium Iodide | Heiltropfen®

The Heiltropfen Iodine Solution offers a convenient way to supplement your iodine intake. Each drop provides 6.3 mg of iodine and potassium iodide, helping to support your thyroid health. You can easily purify water by adding 3-6 drops per litre, ensuring safe drinking water. The sturdy cardboard tube protects the glass bottle during travel, making it easy to take with you wherever you go. Additionally, the iodine is sourced from mined crystals, ensuring freshness and quality for your health needs.

What We Like
High-quality iodine source
Convenient dropper bottle
Portable packaging
Effective thyroid support
Safe water purification
#TOP 9

KIKI Health Ionic Iodine Liquid Concentrate for Thyroid Support

50 ml (Pack of 1)
KIKI Health Ionic Iodine Liquid Concentrate for Thyroid Support Cover
KIKI Health Ionic Iodine Liquid Concentrate | Potassium Iodine Drops Supplement | Thyroid Support, Metabolism, Detox Boost - Cognitive Function & Immunity – 50 ml

KIKI Health Iodine Drops are designed to support your thyroid health and overall well-being. The formula includes potassium iodide, which helps maintain the production and function of thyroid hormones, ensuring your metabolism stays balanced. With ionic minerals, these drops work on a cellular level, addressing mineral deficiencies for enhanced vitality. The liquid concentrate is easy to absorb, providing you with quick benefits without needing digestion. Simply add a few drops to water for an effortless way to integrate this supplement into your daily routine.

What We Like
Supports thyroid function
Quick absorption
Easy to use
High-quality ingredients
Gluten and wheat-free

Natural Dual-Form Iodine Supplement for Health

30 ml (Pack of 1)
Natural Dual-Form Iodine Supplement for Health Cover
Natural Dual-Form Iodine : 100% Free and Unbound Iodine/Iodide Supplement. 675mcg (30ml) for Energy, Mood & Metabolism. Made in The UK.

The Nature Provides Iodine supplement offers a unique blend of iodine derived from sea kelp and ammonium iodide, ensuring excellent absorption for your body. With just three drops, you receive a potent dose of 675mcg, making it easy to incorporate into your daily routine. Its sweet, medicinal flavour allows you to mix it with water or juice, enhancing your experience. This formula supports thyroid health, metabolism, and hormone balance, contributing to overall well-being and energy levels.

What We Like
High bioavailability for better absorption
Easy to mix with drinks
Supports thyroid and metabolism
No artificial additives
Vegan-friendly and GMO-free
Buying Guide Image
Editor's Notes

During our thyroid support iodine supplement research, we found 53 thyroid support iodine supplement products and shortlisted 10 quality products. We collected and analyzed 8,339 customer reviews through our big data system to write the thyroid support iodine supplements list. We found that most customers choose thyroid support iodine supplements with an average price of £17.30.

The thyroid support iodine supplements are available for purchase. We have researched hundreds of brands and picked the top brands of thyroid support iodine supplements, including Pure Encapsulations, SMNutrition, Vitality Bioresearch, Viridian, Life Extension. The seller of top 1 product has received honest feedback from 963 consumers with an average rating of 4.9.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."