Best Iodine Supplements for Immune Support of 2026

LIQUIDHEALTH Iodine Drops are a USDA organic liquid iodine supplement that can enhance your immunity, optimize metabolism, and make you feel energized. This pure iodine supplement supports your thyroid health, encourages hormone balance, and helps regulate hormones and the central nervous system naturally. The easily absorbed liquid drops can improve metabolic performance, stimulate and maximize the immune system, and protect against toxins by binding to them and eliminating them from the body. This gluten-free, soy-free, vegan, dairy-free, and non-GMO iodine supplement also helps you sleep better, raise your energy levels and notice better mental clarity, which can boost your productivity and overall enjoyment of life.

This iodine supplement is derived from the purest Icelandic seaweed and delivered in a whole food and raw form. The synergetic sea vegetable complex combines organic kelp, Irish moss, and bladderwrack, packed with minerals, vitamins, amino acids, and polysaccharides, which work together with iodine to provide a broad range of health benefits. Its essential mineral helps regulate thyroid function, metabolism, hormone regulation, immune response, and the central nervous system, preventing problems such as extreme fatigue, weight gain, and brittle hair, skin, and nails.

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.

Triquetra Health's Nascent Iodine Supplement is a high-quality liquid iodine source, with 600 mcg per drop and 400 servings per bottle. This ionic form of iodine is easily absorbed and utilized by the body, and supports thyroid health, energy, immunity, and metabolism. Sourced from ancient salt deposits, it is vegan, GMO-free, and has a pure, clear color. Produced in the USA in a GMP certified facility and 3rd party lab tested, it is the best value for a 1-year supply of iodine.

Optimox Iodoral is a high potency iodine supplement in tablet form. It provides the same amount of elemental iodine as the average daily intake by mainland Japanese. This supplement supports normal thyroid function, boosts energy levels, promotes a balanced mood, and contributes to overall wellness. With Optimox Iodoral, you can maintain a healthy thyroid, feel more energized throughout the day, improve your mood, and enhance your overall well-being. The tablet form makes it convenient to take, and it is free of common allergens such as wheat, gluten, soy, dairy, and more. Optimox, established in 1978 by Dr. Guy Abraham, brings clinical research and evidence-based nutritional formulas to their products.

SMNutrition Iodine Drops is a highly effective iodine supplement that supports hormone balance, energy, metabolism, detoxification, and immune system. Each serving contains 1,100mcg of organic iodine, which is more readily absorbed by the body than any other form. This liquid formula is combined with purified water and organic vegetable glycerin for maximum efficacy and a milder taste. With 500 servings per 2 fl. oz bottle, it provides over a year's supply of iodine drops. SMNutrition Iodine Drops are USDA certified organic, non-GMO, vegan, and third-party tested. It is manufactured in a facility that adheres to good manufacturing practices.