Foods High in L Carnitine for Energy and Health Marnys 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, Source Naturals L Carnitine Capsules 250mg, 120 ct Smith's Food and Drug Ingredient Spotlight: L Carnitine Source: Biosynthesised in the body from the amino acids Lysine and Methionine, L Carnitine is a conditionally essential nutrient involved in energy metabolism and fat transport. Key Benefits