L Carnitine L Tartrate: 8 Key Benefits Dr. Lam The benefits and Side Effects of Carnitine and CoQ10 Supplementation f L Carnitine Benefits for Male Erectile Dysfunction 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 L Carnitine for Erectile Dysfunction: What the Evidence Shows and Practical Considerations