Iodine important health nutrient: sources and method of detection in search of natural iodine resources

Iodine is a fourth member of the halogen family, found naturally in soil and marine water and vital for human beings as required to synthesize thyroid hormones for a sustainable metabolic pathway in humans. It is recommended that humans get iodine in the diet to avoid irregularities related to this thyroid hormone. Iodine is a nutrient element that which body cannot synthesize but need to consume from available natural or synthesized sources (iodine supplement). Otherwise, a deficiency may lead to hypothyroidism, consequently can perceive health-associated complications including bone joint pain, infertility in women, fatigue, etc. The current review article highlights the significance, sources, and methods of detecting iodine in plants and other natural resources to get information about the natural iodine contents.