i-Throid is a physician-approved superior iodine formulation created to enhance thyroid treatment and offer long-term, consistent results. It is a rapid release vegetable capsule which contains the ideal balance of iodide and free elemental iodine which is highly absorbable and binds with tyrosine to produce thyroid hormones. i-Throid works synergistically with Nature-Throid® and a-Drenal to offer a well-rounded, highly effective thyroid treatment protocol.