What is the need of Iodine in our daily life?


Iodine is an essential micronutrient. The total body content of iodine is about 50 mg. The blood level is about 8 to 12 micro- grams/dl.


1. It is required for the synthesis of thyroid hormones


2. Minute amounts are required for growth, development and well being.

Sources :

The best sources of iodine are sea foods (e.g. sea fish and sea salt) and codliver oil. Small amounts are present in milk, meat, cereals and vegetables.



Deficiency of iodine leads to iodine deficiency dis­orders which include

1. Goiter and hypothyroidism.

2. Retarded physical growth and mental development.

3. Spontaneous abortion and still birth.


4. Neurological cretinism.

5. Myxoedematous cretinism.

Requirement: 150 micrograms per day.

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