Effectiveness of L carnitine Supplementation to Sertraline for Treatment of Major Depressive Disorder: A Double blind Randomized Placebo controlled Trial Global Journal of Medical Pharmaceutical and Biomedical Update A review of current evidence for acetyl l carnitine in the treatment of depression ScienceDirect Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome The Rockefeller University Lack of a single molecule may indicate severe and treatment resistant depression