L Carnitine is Underrated. New Meta Review Reminds Us Why. L Carnitine ((R) Carnitine) Co factor for oxidation MedChemExpress l Carnitine reduces reactive oxygen species endoplasmic reticulum stress and maintains mitochondrial function during autophagy mediated cell apoptosis in perfluorooctanesulfonate treated renal tubular cells Scientific Reports 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 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.