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Autoimmune hypothyroidism and other autoimmune disorders
Have seen this mentioned on celiac.com and glutenfreeforum where many people control it by diet (mainly gluten-free). TBH you can't go wrong with dietary approach as from what I have read, some people managed to decrese meds on diet. Gluten is beastly and its antibodies can damage many other organs and it's not the same in every person.
Try pubmed and any sensible nutritional advice. Here is a start: pubmed paper
My mother had hypothyroidism 30 years ago, had it removed and has been on thyroxin ever since. Then this year she developed autoimmune hepatitis which she is still recovering from and after a lenghty course of steroids is now on immune suppressents. She is being monitored every few months as is now apparently at huge risk of developing diabetes