Thyroid
Iodine: The Mineral Most People Stopped Getting When They Switched Salt
Iodine runs your thyroid, and most specialty salts are not iodized. How much you need, the best food sources, who runs low, and why too much also harms.
IntermediateSelenium: The Trace Mineral Behind Thyroid Hormones and Glutathione Peroxidase
Selenium runs your antioxidant defenses and helps activate thyroid hormone. How much you need, the best food sources, and why Brazil nuts are easy to overdo.
Intermediate