APT Wellness Liver Detox Supplement with Milk Thistle (Silymarin Extract), L Carnitine & Glutathione Added Multivitamins, Zinc & Amino Acids Natural Liver Cleanse & Fat Metabolism 60 Tablets : Amazon.in: L Carnitine Linus Pauling Institute Oregon State University High l Carnitine Ingestion Impairs Liver Function by Disordering Gut Bacteria Composition in Mice Journal of Agricultural and Food Chemistry L carnitine promotes liver regeneration after hepatectomy by enhancing lipid metabolism Journal of Translational Medicine Springer Nature Link L carnitine Could Be Beneficial in Nonalcoholic Fatty Liver Disease Patients by Improving Choline Metabolism and Reducing Liver Biomarkers European Medical Journal L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy.