Does L Carnitine help manage hyperthyroidism symptoms? Consensus L carnitine supplementation for the management of fatigue in patients with hypothyroidism on levothyroxine treatment: a randomized, double blind, placebo controlled trial. Semantic Scholar L Carnitine Dosage Explained: A Complete Guide The Science of Good Health Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormone which is crucial to regulate the body's metabolism and growth development. There can be various causes that contribute Frontiers Thyroid hormones and carnitine in the second trimester negatively affect neonate birth weight: A prospective cohort study