IV Carnitine Therapy Energy Boost & Metabolism Support Minnerva Clinic 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 Top 7 L Carnitine L Tartrate Uses for Fat Loss Benefits of Acetyl L Carnitine Simply Supplements