Recommended Dietary Intakes 
Adults – 150 mcg; 
Pregnant women – 120 mcg


This Mineral Is Essential For..

  • metabolising fats.

  • physical and mental development.

  • thyroid gland.

  • preventing goiter.

As part of several thyroid hormones, iodine controls nutrient metabolism; nerve and muscle function; skin, hair, tooth, and nail condition.


Iodised salt, kelp, seafood, salt water fish and vegetables grown in iodine-rich soils are excellent sources of this mineral. Also found in garlic, mushrooms, sesame seeds, sea salt, soybeans, spinach.


You usually will not have a deficiency in this mineral and supplements are unnecessary.

Deficiency Can Cause…

This is very uncommon, however, some symptoms include –

  • weight gain,

  • hair loss,

  • listlessness,

  • insomnia,

  • mental retardation.

Excessive iodine can cause a metallic taste in the mouth, sores in the mouth, swollen salivary glands, nervousness, headache, rashes and can lead to thyroid hyperactivity, diarrhoea, and vomiting