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Marine iodine is a vital trace mineral for the proper functioning of our body. Iodine plays a crucial role in the synthesis of thyroid hormones, which are essential for regulating many physiological functions, from metabolic regulation to cognitive development. How important is marine iodine for health, its natural sources, and why supplementation may be beneficial.
What is Marine Iodine?
Iodine is an essential trace mineral, found primarily in the marine environment.
Marine iodine refers to iodine obtained from marine sources, such as fish, crustaceans, mollusks, and some algae. It is essential for the normal production of thyroid hormones.
Roles and benefits of Marine Iodine
Thyroid function and metabolism
Iodine contributes to normal synthesis of thyroid hormones(1), thus regulating energy metabolism and helping to maintain a healthy weight.
Cognitive development
Adequate iodine is crucial for brain development, especially during pregnancy and the first years of life, supporting normal cognitive function.
Nervous system
Iodine supports the normal functioning of the nervous system, playing a role in the transmission of nerve impulses.
Natural sources of Marine Iodine
The best sources of marine iodine include fish (such as cod and haddock), crustaceans, mollusks, and some seaweeds.
Dairy products and eggs also provide iodine, although to a lesser extent.
Why and how to supplement with Marine Iodine?
Daily Iodine Requirements
Iodine requirements vary depending on age, gender and physiological conditions, such as pregnancy. Supplementation may be necessary when diet is not sufficient to cover daily requirements.
Supplementation advice
A marine iodine dietary supplement can be a practical solution to achieve recommended intakes, particularly for people with a diet restricted in marine products.
Specific considerations
Iodine is especially important for pregnant and lactating women, as it contributes to the neurological development of the baby. Special attention should be paid to avoid deficiencies.
Marine iodine is a pillar of our health, essential for thyroid function, metabolism, and cognitive development. Adequate consumption, whether through diet or supplementation, is crucial to prevent deficiencies and support overall well-being. As with any dietary supplement, we recommend consulting a healthcare professional before beginning marine iodine supplementation.
(1) Han JH, Qiu L. [Application of iodine metabolism analysis methods in thyroid diseases]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao. 2013 Aug;35(4):369-72. Chinese. doi: 10.3881/j.issn.1000-503X.2013.04.002. PMID: 23987480.
