The thyroid governs a large part of the body's metabolism and depends on specific micronutrients such as iodine, selenium and zinc to produce its hormones correctly. This category gathers supplements with a documented link to normal thyroid function. In diagnosed thyroid disease, supplements should always be discussed with the treating physician.


No. In diagnosed thyroid disease, physician-prescribed treatment is the foundation — supplements are nutritional support and should always be discussed with the treating doctor.
Iodine is a direct building block of thyroid hormones, and the body cannot produce it on its own — it must be supplied through diet or supplements.
Yes, both too little and too much iodine can negatively affect thyroid function, which is why dosing should follow the recommendation rather than the assumption that more is better.