Feb 20, 2026Thyroid Function Variability: Selenium, Zinc, and Myo-Inositol in Clinical ContextThyroid symptom variability should be managed by medication and lab stability first. Selenium, zinc, and myo-inositol may be adjuncts in selected contexts, not primary treatment.
Feb 17, 2026Selenium: Thyroid Function, Antioxidant Enzymes, Cancer Prevention Evidence, and Toxicity RiskSelenium is an essential trace mineral and key component of glutathione peroxidase and selenoprotein P. It has the strongest evidence base in thyroid autoimmunity (Hashimoto's) and antioxidant enzyme function. The SELECT trial found no cancer prevention benefit from selenium in replete populations — and excess is toxic.