Exploring the potential anti thyroid activity of Acetyl L carnitine: Lactoperoxidase inhibition profile, iodine complexation and scavenging power against H2O2. Experimental and theoretical studies ScienceDirect Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome American ME and CFS Society What are the symptoms of carnitine (L carnitine) deficiency? 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 The Benefits of Amino Acids for Hashimoto's Dr. Izabella Wentz, PharmD If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.