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. The adverse effects of long term l carnitine supplementation on liver and kidney function in rats L Liu, D M Zhang, M X Wang, C Y Fan, F Zhou, S J Wang, L D Kong, 2015 Frontiers Role of Carnitine in Non alcoholic Fatty Liver Disease and Other Related Diseases: An Update 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 promotes liver regeneration after hepatectomy by enhancing lipid metabolism Journal of Translational Medicine Springer Nature Link Dietary l carnitine supplementation increases lipid deposition in the liver and muscle of yellow catfish (Pelteobagrus fulvidraco) through changes in lipid metabolism British Journal of Nutrition Cambridge Core