Frontiers Is the acquired hypothyroidism a risk factor for developing psychiatric disorders? Role of carnitine in disease Nutrition & Metabolism Springer Nature Link 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 Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome L Carnitine Tartrate