The most common cause of hypothyroidism worldwide is insufficient intake of iodine, a mineral found in iodized salt and some foods (such as seafood and dairy) that is needed for production of Glutathione Shot Touch of Class Medspa Drug delivery systems for thyroid disease treatment: A mini review on current therapies and alternative approaches ScienceDirect The must have supplement for every patient with Hashimoto's: Glutathione RedRiver Health and Wellness Center