Energy, heart, cognition Acetyl L carnitine Life Extension Europe Carnitine: Top 3 Anti Aging Benefits of This Super Nutrient Nature's Bounty L Carnitine Amino Acid Supplement, 500 mg30 caplets 1 Each What is carnitine? Carnitine is produced in the body from the amino acid lysine and naturally occurs in some foods. It supports energy metabolism and muscle function, which are important factors in 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