l Carnitine reduces reactive oxygen species endoplasmic reticulum stress and maintains mitochondrial function during autophagy mediated cell apoptosis in perfluorooctanesulfonate treated renal tubular cells Scientific Reports Graves' Disease and the Manifestations of Thyrotoxicosis Endotext NCBI Bookshelf Hormones.gr L carnitine reduces hyperthyroidism symptoms 9 Natural Remedies for Hyperthyroidism and Graves' Disease