Your body uses iodine to build thyroid hormones — without iodine, it can't make the key hormones that help control your metabolism.
Evidence from Studies
Supporting (2)
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Association of Mild-to-Moderate Iodine Deficiency With Thyroid Function—A Systematic Review and Meta-analysis
The study agrees that iodine is needed to make thyroid hormones, even though having slightly low iodine doesn’t always change hormone levels in noticeable ways.
Epidemiology and Impact of Iodine Deficiency in Pediatrics
The study shows that not having enough iodine stops the body from making thyroid hormones, which supports the idea that iodine is a key building block for these hormones.
Contradicting (0)
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Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.