L carnitine supplementation for the management of fatigue in patients with hypothyroidism on levothyroxine treatment: a randomized, double blind, placebo controlled trial. Semantic Scholar Altered carnitine acylcarnitine profiles in levothyroxine treated congenital hypothyroid patients with fatigue: An LC MS MS based study from Bangladesh PLOS One 9 Natural Remedies for Hyperthyroidism and Graves' Disease L Carnitine Graves' Disease and the Manifestations of Thyrotoxicosis Endotext NCBI Bookshelf