All minerals found in the world have their own merits and demerits. Fewer intakes of these minerals would cause deficiency and on the other hand if taken more would lead to some adverse effects. Iodine is not an exception to the above statement. Use of this mineral in food increases the functioning of metabolic systems, thyroid hormones and nervous systems.

Iodine is present in air which combines with water particles and combines with soil and water. Due to this in one way or the other it is present in the whole environment. This makes the plants, cattle’s, humans and other living things to intake iodine directly or indirectly.