Share this postIronchrismasterjohnphd.substack.comCopy linkFacebookEmailNoteOtherVitamins and Minerals 101 PremiumIronKnown best as the substance of blood, it is also as important to the thyroid as iodine, essential to all aspects of energy metabolism, a critical antioxidant, and yet also has a dark side.Chris Masterjohn, PhDJul 08, 2022∙ Paid4Share this postIronchrismasterjohnphd.substack.comCopy linkFacebookEmailNoteOtherShareThis post is for paid subscribersSubscribeAlready a paid subscriber? Sign in