If iron interferes with your thyroid function or thyroid meds, you might need zinc
After I started taking the Armour Thyroid to treat hypothyroid symptoms -- including that lovely one where your hair feels like there's an electric current going through it -- I quickly realized that the 50 mg of iron I was taking every day for my abysmally low ferritin levels was making things worse. (Armour is a prescription medication of desiccated pig thyroid, a type of preparation that has been used since the 1890s.) Even if I separated the doses by the requisite four hours or stopped taking the Armour altogether, I got more hypo-T symptoms -- low mood, cold, fatigue, and insomnia. Taking the Armour only fixed the symptoms to a certain point because of the low ferritin (which was at 6 for several years before any so-called health practitioner…