Acetyl L Carnitine: Boost Focus & Cellular Energy Pro Hormones L Carnitine 1000mg Energy, Metabolism & Fat Burning 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 If you're putting in the work but the scale isn't moving, your body might just need a little help tapping into its fat stores. That's where L Carnitine comes in. It's not a L Carnitine The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation