L Carnitine benefits L Carnitine Benefits Does L Carnitine Help Erectile Dysfunction? Amazon.com: ProSupps L Carnitine Liquid 3000, Stimulant Free Liquid Shots for Men & Women Clean Workout Drink for Energy, Performance & Muscle Recovery No Sugar, No Carbs 31 Servings, Blue Razz : 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