The structural formula of L carnitine and Acetyl L carnitine. Download Scientific Diagram L Carnitine (tartrate) Acetyl L Carnitine L Carnitine Tartrate Vs Acetyl L Carnitine Most people talk about carnitine like it is one supplement. It is not. Acetyl L carnitine and L carnitine L tartrate do different jobs, and picking the wrong one for the wrong goal is where people Amazon.com: iSatori L Carnitine LS3 3000, Liquid L Carnitine with Acetyl L Carnitine, L Carnitine L Tartrate, Stimulant Free Pre Workout, Low Calories, Sugar, Gluten, Keto Friendly, Bombsicle Flavor (32 Servings) : Health & Household