L Carnitine L Tartrate Powder (LCLT) Amino Acid Supplement Powder Acetyl L Carnitine 500 mg Acetyl L Carnitine VS L Carnitine: Which is Better? 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 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