L Carnitine vs L Arginine: Understanding Their Differences and Benefit Fitness Health L carnitine tartrate vs other forms of carnitine which is better Infinite Labs Now L Carnitine Liquid 1000 mg Carnitine : Sporter Kuwait 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 L Carnitine (tartrate) D Fine8 Supplements & Sports Nutrition