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 Combating 131I Side Effects in Thyroid Cancer Encyclopedia MDPI Hyperthyroidism and Functional Medicine Guide Amy Myers MD AMMD L Carnitine is Underrated. New Meta Review Reminds Us Why. Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link