Iodine
WHAT IS IODINE?
Iodine is one of the essential trace elements, as it’s particularly important for the thyroid hormones thyroxine and triiodothyronine. These hormones are involved in many processes of the body, such as bone formation, growth, brain development, and energy metabolism.
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WHICH FOODS CONTAIN IODINE?
You can find it in fish, such as pollock, cod, and plaice, as well as other seafood and algae. Animal products like milk, dairy, and eggs can also contain high levels if the animals’ feed contained it. In addition, iodized table salt can also be used to avoid an iodine deficiency.
Good to know
Thyroid disorders cause by deficiency
Iodine is involved in many biological processes in the body. It is an essential building block for the thyroid hormones and important for many tasks in our body. In the case of an iodine deficiency, an underactive thyroid gland and goiters (irregular growths) can develop. Hypothyroidism can cause symptoms including severe tiredness, feeling cold, weight gain and an enlarged thyroid (goitre).
ESSENTIAL FOR BRAIN DEVELOPMENT
Iodine helps the thyroid gland. Thyroxine is important for the growth of bones and nerves, and affects how proteins, fats and carbohydrates are used in the body. It is especially important before birth and in babies and young children. It is essential for the development of the brain and nervous system, the 5 senses, alertness and coordination.
Expert advice
NASSIM JAMALZADEH
"Sufficient iodine intake must not be underestimated under any circumstances. It’s one of the trace elements essential for human health. That's why it's important to stick to good sources."
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Frequently Asked Questions
This varies from person to person. If you consume plenty through your diet and can, therefore, cover your daily needs, additional intake is not necessary. It's best to ask your doctor and have regular blood work done.
This depends mainly on gender and age, as well as other factors, such as whether you are pregnant, breastfeeding, or have any illnesses. However, the NHS (National Health Service) recommends a daily amount of of 180-200 µg/day for adults. It’s important to note that the NHS provides recommended and not maximum amounts.
Having an iodine deficiency is far more likely than suffering from an overdose; approximately 30% of the world's population is at risk. Goiters can result, as mentioned above, and mental retardation and cerebral damage are also possible consequences. With a balanced and nutritious diet, however, having a sufficient supply should not be a problem.
Overdoing it on supplements can lead to an overdose, which is characterized by nausea, disturbances in the digestive tract, or even a rash.
