L Carnitine: Does It Really Help With Fat Loss? Supplement Store Lebanon Best Supplements in Beirut Scitec Nutrition Lebanon 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 3 Benefits of L Lysine & How to Use It Can You Take L Lysine and L Carnitine Together TikTok