Iodine: Understanding Its Role in Thyroid Function
Iodine builds thyroid hormones that drive metabolism and brain development. Learn about sources, iodised salt, deficiency disorders, goitrogens and risks of excess.
thyroid
Selenium: Why This Trace Mineral Matters
Selenium powers antioxidant enzymes and thyroid hormone activation, but the safe window is narrow. Learn about soil, food sources, deficiency and toxicity.