L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians Benefits of L Carnitine for PCOS: Improve Insulin Resistance & Weight Loss 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. L Carnitine for PCOS: Benefits, Dosage & Sources Explained Aiwo Limited Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn L carnitine is an amino acid that is produced in your body that helps the body turn fat into energy. Carnitine is found in nearly all cells of the body and researchers have