L carnitine reduces hyperthyroidism symptoms L carnitine supplementation for the management of fatigue in patients with hypothyroidism on levothyroxine treatment: a randomized, double blind, placebo controlled trial. Semantic Scholar Hyperthyroidism treatment: A brief review with recommendations ScienceDirect This JAMA Patient Page describes hypothyroidism and its risk factors, signs and symptoms, diagnosis, screening, and treatment. https: ja.ma 4oSKMLL Biomedical Reports