According to research and patient experience, selenium may be a vital nutrient for people with Hashimoto's especially when supplementing with an iodine supplement like Thiodine. Selenium plays a vital role in thyroid hormone creation because it helps protects the thyroid from oxidative damage, as well as convert thyroid hormones into energy.
Some experts recommend taking a physiological dose of selenium (as selenomethionine) of 200 mcg- 400 mcg/day. Of course we always recommend working with a medical practioner and doing what's right you.
For those with Hashimoto's and the MTHFR continue to the next question for more information.