Iodine is very important for the healthy functioning of your thyroid, which controls hormones related to growth and metabolism.
Nutrient Reference Value (NRV)
150 mcg
Food sources
- Iodized table salt
- Fish and shellfish
- Dairy products
Problems associated with deficiency
- Enlarged thyroid gland resulting in a goitre
- Insufficient production of thyroid hormones
- Fatigue
- Skin changes
- Increase in blood fats
- Delayed reflex reactions
- Reduced mental functioning
- Severe mental retardation of the foetus
Functions/Potential benefits at recommended levels
- Essential for the formation of the thyroid hormone thyroxin, which plays an important role in metabolism and growth
- Essential for reproduction
- Involved in conversion of beta-carotene to vitamin A
- Involved in synthesis of protein and cholesterol and in the absorption of carbohydrates