L carnitine promotes liver regeneration after hepatectomy by enhancing lipid metabolism Journal of Translational Medicine Springer Nature Link When to take L carnitine: Dosage, forms, and side effects Evaluation of the effects of L carnitine on medaka (Oryzias latipes) fatty liver Scientific Reports 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 Importance of the Fatty Acid Transporter L Carnitine in Non Alcoholic Fatty Liver Disease (NAFLD) Impaired brain function improved by l carnitine in patients with cirrhosis: evaluation using near infrared spectroscopy Scientific Reports