Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Surprising Interactions with Levothyroxine (Synthroid) and Herbal Supplements Buy Thyroid Fat Burner Thermogenic Weight Loss Supplement 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 nuclei, potentially Thyroxine C15H11I4NO4 CID 5819 PubChem Carnitine biosynthesis governs fuel switching Cell Research