Carnitine Rich Foods: Understanding L Carnitine and Its Benefits Loyal 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 L Carnitine Linus Pauling Institute Oregon State University L Carnitine: What Is It, When To Take It, and More Knowledge Bioway Organic