All steps in the formation, synthesis and secretion of hormones require the presence of iodine, which is present in Iod'in in the form of a simple salt: potassium iodide. Iodine contributes to the production of thyroid hormones, which are essential for the proper functioning of the brain.

Iod'in is highly effective for: iodine deficiency; general fatigue; irritability; depressive states; abnormal weight gain; excessive sensitivity to cold; with cognitive problems; a general slowdown in metabolism; swelling of the eyes and face.