Our guide

The Iodine Guide: An overview of thyroid and cognitive function

A carefully researched compilation of what is officially documented about iodine and its role in thyroid and cognitive function — for men who value well-founded information.

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Background

Why iodine often gets too little attention

The thyroid mostly works in the background — its function is rarely questioned in everyday life. Yet iodine is a trace element that is often overshadowed in public awareness by better-known nutrients, even though its role is clearly documented.

Many men do not know exactly which iodine claims are actually authorized by EFSA and which assertions circulate online without any scientific basis.

Common points of confusion

Uncertainty about whether iodine is actually linked to the thyroid
No clear idea of what “cognitive function” means in EFSA terms
Confusing officially reviewed claims with unsubstantiated marketing statements
Lack of a compact, ad-free source of information

Scientific basis

One trace element, two official claims

The following statements are authorized claims under Regulation (EU) No. 432/2012, based on EFSA assessments.

Iodine & Thyroid

“Iodine contributes to the normal production of thyroid hormones and normal thyroid function.”Per Regulation (EU) No 432/2012

The guide explains what this officially reviewed claim means for understanding thyroid function.

Iodine & Cognition

“Iodine contributes to normal cognitive function.”Per Regulation (EU) No 432/2012

Cognitive function is covered separately, with its own context and without mixing it with the thyroid claim.

What the guide covers

What you will find in the guide

The thyroid and its function explained in plain language
Iodine as a trace element: occurrence, requirements, and dietary sources
Both EFSA claims in detail, each with a complete source reference
What “cognitive function” means in a scientific context
Recommended daily intake and comparison with typical dietary patterns
Complete bibliography and list of sources

Digital reference guide (PDF)

Iodine: Thyroid & Cognition

Your personal reference guide to the EFSA-documented trace element iodine — clearly organized and with a complete list of sources.

$49.00

plus applicable sales tax, one-time price

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Take your time to review the content. If you find that the guide is not what you expect from a factual compilation, send us a short message within 14 days of receipt. We will then refund the purchase price in full, with no further conditions.

Medical notice

This guide contains publicly available, officially reviewed factual information and should not be understood as medical advice, diagnosis, or a therapy recommendation. Questions about thyroid function in particular require the assessment of a qualified endocrinology professional. The iodine statements mentioned in the guide refer to the contribution to normal body functions described in Regulation (EU) No. 432/2012 and do not constitute a treatment recommendation. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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