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 L carnitine extenuates endocrine disruption, inflammatory burst and oxidative stress in carbendazim challenged male rats via upregulation of testicular StAR and FABP9, and downregulation of P38 MAPK pathways ScienceDirect Hashimoto's Thyroiditis: The Destructive Thyroid Disease That Slows You Down The Wellness Way Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome