l-carnitine dosage calculator L-Carnitine: Benefits, Side Effects, FAQ, Sources, and How to Take L-Carnitine Correctly

Though most of the relevant studies were conducted in the 1960s, in vitro data do suggest that L-carnitine inhibits thyroid hormone uptake into the cell and nucleus

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Researchers from the University of Turin published the results of a prospective, randomized, and controlled trial evaluating the use of L-carnitine and selenium when combined with standard therapy for Graves disease, an autoimmune disorder that affects the thyroid gland

Lastly, a systematic review and meta-analysis published in Thyroid in 2016 found that selenium significantly reduced thyroid autoantibodies in people with chronic autoimmune thyroiditis