Best Capsules Iodine Supplements of 2025

LifeExtension Sea-Iodine Capsules is a natural iodine supplement that supports healthy iodine levels by using ingredients harvested from a blend of organic marine algae. It is bioavailable and essential for thyroid and adrenal health support. This supplement is non-GMO and vegetarian, and does not require upping salt intake to maintain optimal iodine levels. The small capsules are easy to swallow, making it a convenient addition to your daily routine.

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.

Oregon's Wild Harvest Kelp is a natural source of iodine that is responsibly harvested from clean Atlantic Ocean waters off the coast of Nova Scotia. This organic supplement is freshly milled and prepared with love to ensure optimum potency. With NO artificial flavors, colors, excipients or stearates, it provides a pure and natural option for those looking to supplement their iodine intake. The product is verified Non-GMO by SGS, a 3rd-party independent lab, giving you peace of mind about its quality. Manufactured in the USA, Oregon's Wild Harvest Kelp offers a convenient and reliable way to support your iodine needs.

The Brain Basics Ultra Iodine Complex Supplement is a high-potency, non-GMO iodine complex supplement designed to improve your iodine and potassium iodide intake daily. Each tablet contains 7.5 mg of potassium iodide and 5 mg of iodine for effective thyroid support. The supplement is also vegetarian-friendly and contains 12.5 mg of our Ultra Iodine Complex. Adequate amounts of iodine can optimize thyroid function and brain health.

Dr. Berg Sea Kelp Iodine offers a daily dose of 200 mcg of high-quality iodine, essential for supporting your thyroid health. This supplement blends sea kelp and algae sourced from Iceland’s pristine waters, ensuring you receive premium ingredients. Manufactured in GMP-certified facilities in the U.S., you can trust its cleanliness and quality. Dr. Berg’s extensive research into natural health solutions makes this product unique, providing blends that you won’t find elsewhere. With a 30-day satisfaction guarantee, you can try it risk-free and see the benefits for yourself.

Life Enhancement Iodine Plus is a highly effective supplement designed to support your thyroid health. It contains 20mg of iodine sourced from USP potassium iodide, which is crucial for maintaining optimal thyroid function. Additionally, it includes selenium in its most bioavailable form, selenomethionine, which enhances the benefits of iodine. This product is formulated by physicians and manufactured in a facility that adheres to strict quality standards, ensuring that you receive only the purest ingredients. Plus, it undergoes third-party testing for added assurance of its quality and potency.

Terry Naturally Tri-Iodine Capsules provide three beneficial forms of iodine to nourish multiple body systems. It supports hormone balance, menopause relief, healthy detoxification, and cellular defense against oxidative stress. This formula supplies the crucial support you need for breast, uterine, prostate, and colon health. It contains potassium iodide and sodium iodide to support immune health and hormone balance, while molecular iodide promotes breast, prostate, colon, and cellular health.

Complete Natural Sea Kelp is a dietary supplement derived from the sea, providing a naturally rich source of iodine. Iodine is a key component of the thyroid hormone, which plays a role in controlling metabolic rate, growth, and development. By supporting healthy thyroid hormone levels, Sea Kelp can help regulate the function of the energy-producing component of cells. In addition to iodine, Sea Kelp also contains 16 different amino acids, the building blocks of protein, which can help boost the protein content in our body, regulate cellular growth, support wound healing, supporting muscle development, supporting organ function, and a wide range of other necessary bodily processes that require proteins. Complete Natural Sea Kelp is OU Kosher certified, gluten-free, and suitable for vegetarians, making it a convenient and healthy choice for those who want to support their thyroid and overall health.

Dr. Mercola Organic Iodine is a dietary supplement that supports thyroid health and metabolism. Made from organic seaweed, each serving contains 650 mcg of naturally occurring iodine. This slow-releasing iodine remains in your body for an extended period compared to synthetic forms. The formula is USDA Certified Organic and is sourced from knotted wrack, a highly sustainable seaweed that requires no fresh water, land, or fertilizer to grow. Developed with premium quality standards in mind, Dr. Mercola's physician-formulated product is a trusted source for natural health for over two decades.

Solaray Iodine Supplement, also known as Solaray Iodine, is a powerful thyroid support supplement made with 500 mcg of Iodine in each 1-VegCap serving. This supplement is designed to provide healthy adrenal and thyroid support, as well as promote energy, focus, and metabolism. By taking Solaray Iodine, you can potentially feel more energized and focused throughout the day. Additionally, this supplement is made by a trusted brand in a GMP-certified facility and is backed by a 60-Day Money Back Guarantee. With Solaray Iodine, you can support your overall well-being and enjoy the convenience of a vegan-friendly, eco-friendly supplement.