Frontiers The protective role of nutritional antioxidants against oxidative stress in thyroid disorders Changes in carnitine profiles during L carnitine supplementation in Download Scientific Diagram Role of carnitine in disease Nutrition & Metabolism Springer Nature Link AcetylLcarnitine suppresses thyroid hormoneinduced and spontaneous anuran tadpole tail shortening Hanada 2013 Hereditas Wiley Online Library The supplement secret for hyperthyroidism? , When dealing with hyperthyroidism or Graves disease, L carnitine can be a total game changer. It helps block the entry of thyroid hormone into the cell L Carnitine