If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. 9 Natural Remedies for Hyperthyroidism and Graves' Disease 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 L carnitine: Health Benefits, Side Effects, Uses, Dose & Precautions Carnitine and Thyroid Disease page 1 Life Extension