Healthy Origins® European Iodine is a premium sourced Iodine which can be added to you daily supplement regimen for long-term use. Iodine is an essential trace mineral that is not manufactured by the body, so it may be acquired through food or supplementation. Iodine is needed to make thyroid hormones thyroxine (T4) and triiodothyronine (T3), which help support healthy metabolism.