Mechanisms of Thyroid Hormone Action Oncohema Key Acetyl L Carnitine Integrative Therapeutics Frontiers Thyroid hormones and minerals in immunocorrection of disorders in autoimmune thyroid diseases Does L Carnitine Work for Fat Loss? A Dietitian Explains Hyperpolarized [1 13C]Acetyl l Carnitine Probes Tricarboxylic Acid Cycle Activity In Vivo ACS Sensors 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.