Want more energy while supporting fat burn? Let's talk L Carnitine! This week's highlight: L Carnitine A powerful supplement that helps your body turn fat into usable energy supporting weight loss, L Carnitine L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Evolve L Carnitine Australian Sports Nutrition Ultra L Carnitine NutriRestore 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.