Gammadyn I Ampoules from Unda is comprised of Iodine (potassium iodide). Iodine is a trace mineral that is essential in the human body. It is used in a number of different processes in our bodies, the most important of which is production of thyroid hormone. Iodine has also been used throughout the past for cleaning wounds and purifying drinking water. Established over half a century ago in Belgium, Unda is renowned for manufacturing exceptional homeopathic products that use only pure materials and herbs that are biodynamically grown or wildcrafted. Supplementing with Gammadyn I Ampoules is made easy in their liquid formula.