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 Successive thyroid storms treated with L carnitine and low doses of Methimazole The American Journal of Medicine 11 Ways to Overcome Hashimoto's Fatigue Dr. Izabella Wentz l Carnitine Supplementation in Recovery after Exercise Balancing l carnitine and ala for thyroid health There are 3 main types of thyroid medications available T4 T3 (usually combined with T4) NDT desiccated thyroid (a combination of T4 + T3) Most are widely available