Best Powder Iodine Supplements of 2025

The Vegavero Iodine Supplement is designed to support your thyroid health, as iodine is essential for proper thyroid function and hormone production. Made from natural organic Scottish sea kelp, these capsules offer a rich source of iodine that is easily absorbed by your body. Each capsule provides 150μg of iodine, making it suitable for both men and women. Additionally, this supplement is free from additives and pesticides, ensuring you receive a pure product that aligns with your vegan lifestyle.

The Together Seaweed Iodine supplement is crafted from 100% sustainably wild-harvested ascophyllum seaweed, ensuring a natural source of iodine. Packed with essential minerals and micronutrients, it aids in the metabolism of iodine, which is vital for your thyroid health and cognitive function. This supplement helps prevent iodine deficiency, promoting overall well-being. Additionally, it is free from artificial additives, giving you a pure and effective product that your body can easily absorb.

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.

Health4All Sea Kelp Iodine offers a natural source of iodine, essential for maintaining a healthy metabolism and thyroid function. Each capsule contains 520mcg of iodine derived from pure Sea Kelp, ensuring you receive the exact amount needed for optimal health. The capsules are made from vegetable cellulose, making them suitable for both vegetarians and vegans. Additionally, they are manufactured in the UK under strict GMP standards, providing peace of mind regarding quality and safety.

Horbaach Iodine Tablets offer a robust dose of 500µg of Iodine as Potassium Iodide, providing you with high strength support for your health needs. This expertly crafted formula ensures purity and potency, making it a reliable choice. You can enjoy the convenience of taking just two tablets daily, eliminating the hassle of monthly re-orders for three months of support. Additionally, these vegan tablets contain no artificial colours or preservatives, making them suitable for all adult men and women.

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.

The Iodine Supplement 400mcg offers a high-strength source of potassium iodide, providing you with 400mcg per tablet. With a generous supply of 400 tablets, you can easily support your thyroid health, nervous system, and cognitive function over the course of a year. These vegan and non-GMO tablets are a convenient alternative to messy liquid drops, ensuring you get your iodine in a simple format. Manufactured to high standards, these tablets are lab-tested and free from gluten, making them a reliable choice for your health needs.

The WeightWorld Iodine Tablets are a high-strength potassium iodide supplement, providing 400mcg of iodine per tablet to help you meet your body's iodine requirements. These tablets support normal thyroid function and contribute to overall wellbeing, including cognitive and nervous system health. With a year's supply in each bottle, you can easily incorporate them into your daily routine. Being vegan, non-GMO, and gluten-free, these tablets offer a convenient alternative to traditional liquid iodine supplements.

Max Strength Iodine 150mcg Tablets are an excellent choice for those seeking a high-strength iodine supplement. Each tablet delivers 150μg of iodine from potassium iodide, supporting normal thyroid function and hormone production essential for growth and development. With 120 tablets in each pack, you enjoy long-lasting value, lasting up to four months. The compact, letterbox-friendly packaging is convenient for storage and travel, while the small and easy-to-swallow tablets ensure that everyone can benefit from this vital nutrient. Plus, they are vegan-friendly and free from common allergens.

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.