iSatori L Carnitine LS3 3000, Liquid L Carnitine with Acetyl L Carnitine, L Carnitine L Tartrate, Stimulant Free Pre Workout : Target 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 iSatori L Carnitine LS3 3000, Triple Blend Liquid L Carnitine Supplement, with Acetyl & Tartrate, Stimulant Free : Target L Carnitine LS3 3000, Lemon Lime, 3,000 mg, 16 fl oz (480 ml)