Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty Amazon.com: Best Naturals Acetyl L Carnitine 500 Mg & L Lysine 500 mg : Health & Household Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Lysine: Sources, Metabolism, Physiological Importance, and Use as a Supplement Amino acids are a team And they work better together than alone We've got options like Amino Acid Blend, L Arginine, L Carnitine, L Lysine, and L Glutaminebut the real magic happens when they're combined