Hermetica Superfood Encyclopedia
The Short Answer
An essential trace mineral your thyroid needs to produce hormones that control metabolism, energy, and brain development — especially critical during pregnancy.
CategoryVitamin & Mineral
GroupMineral
Evidence LevelModerate
Synergy Pairings4
Health Benefits
Supports Thyroid Health
Crucial for the production of thyroxine (T4) and triiodothyronine (T3), regulating metabolism, thermogenesis, and systemic growth.
Modulates Metabolic Regulation
Influences energy expenditure, lipid metabolism, and temperature control through its impact on thyroid hormone output.
Aids Cognitive Development
Supports brain formation and neural connectivity, especially during fetal and infant stages, preventing developmental delays.
Enhances Immune Function
Contributes to innate immunity and the body's antimicrobial defense, particularly in mucosal tissues.
Facilitates Hormonal Harmony
Stabilizes thyroid function, influencing reproductive and adrenal systems to promote overall endocrine balance.
Prevents Deficiency Symptoms
Adequate intake prevents goiter, hypothyroidism, cognitive impairment, and fatigue, especially critical during pregnancy for fetal brain development.
Origin & History
Iodine is a vital trace mineral essential for the synthesis of thyroid hormones, which orchestrate metabolic rate, growth, and neurological development. Revered for its foundational role in endocrine balance, cognitive formation, and cellular energy regulation, iodine is particularly critical during prenatal and early life stages.
“The critical role of iodine in human health was recognized in the early 19th century with its discovery and subsequent use in treating goiter. Large-scale public health initiatives, such as the iodization of salt, began in the early 20th century to combat widespread iodine deficiency, particularly in landlocked regions. This modern intervention has significantly reduced the incidence of iodine deficiency disorders globally, making it a cornerstone of preventative nutrition.”Traditional Medicine
Scientific Research
Extensive scientific research, including epidemiological studies and clinical trials, firmly establishes iodine's essential role in thyroid hormone synthesis and its profound impact on metabolic rate, growth, and neurological development. Studies consistently demonstrate that adequate iodine intake is crucial for preventing goiter and hypothyroidism, particularly highlighting its critical importance for fetal brain development during pregnancy. The evidence base is robust, supporting its status as a vital trace mineral.
Preparation & Dosage
Common Forms
Available as potassium iodide supplements, often found in multivitamin/mineral complexes, and in iodized salt.
Dosage
150 mcg for adults; 220 mcg for pregnant women, and 270 mcg for lactating women
Recommended daily allowance (RDA) is .
Timing
Can be taken with or without food.
Important Note
Excessive intake can also lead to thyroid dysfunction; consult a healthcare professional for appropriate dosage.
Nutritional Profile
- Key Bioactive: Iodide (I-), the form absorbed and utilized by the thyroid gland.
- Food Sources: Seaweed (kelp, nori, wakame), iodized salt, cod, dairy, eggs, and fortified grains.
- Absorption Factors: Enhanced by selenium and tyrosine; potentially reduced by goitrogens in excessive raw cruciferous vegetable intake.
Synergy Stack
Hermetica Formulation Heuristic
Mineral cofactor
Energy & Metabolism | Cognition & Focus
Frequently Asked Questions
What is iodine and why is it important?
Iodine is an essential trace mineral required for the production of thyroid hormones T3 and T4, which regulate metabolism, energy production, and growth. It is especially critical during pregnancy and early childhood for proper brain development. Deficiency can lead to goiter, hypothyroidism, and cognitive impairment.
How much iodine should I take daily and is it safe?
The recommended daily allowance is 150 mcg for adults, 220 mcg during pregnancy, and 290 mcg during lactation. The tolerable upper limit is 1,100 mcg/day for adults. Both deficiency and excess can cause thyroid problems, so supplementation should be guided by a healthcare professional, especially for those with thyroid conditions.
What are the best food sources of iodine?
Seaweed (especially kelp) is the richest natural source, followed by iodized salt, cod, dairy products, shrimp, and eggs. Iodine content in plant foods varies greatly depending on soil iodine levels. Many populations rely on iodized salt as their primary source, which has been one of the most successful public health interventions globally.
Explore the Full Encyclopedia
7,400+ ingredients researched, verified, and formulated for optimal synergy.
Browse IngredientsThese statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.
