Hypothyroidism With Normal TSH? Thyroid Hormone Conversion Explained If you've been diagnosed with Graves' disease, you may be wondering about treatment options. The three main approaches for treating hyperthyroidism are antithyroid medications, radioactive iodine therapy, and thyroidectomy (surgery). Each option Role of carnitine in disease Nutrition & Metabolism Springer Nature Link L Carnitine is Underrated. New Meta Review Reminds Us Why. Full article: Effects of high dose L carnitine supplementation on diaphragmatic function in patients with respiratory failure: A randomized clinical trial Adding L Carnitine and Selenium to Methimazole in Graves' Disease: A Prospective Randomized Trial on Thyroid Markers and Quality of Life