L Carnitine ((R) Carnitine) Co factor for oxidation MedChemExpress 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 reduces hyperthyroidism symptoms AcetylLcarnitine suppresses thyroid hormoneinduced and spontaneous anuran tadpole tail shortening Hanada 2013 Hereditas Wiley Online Library Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link