Yes, L Carnitine works best once you take it before exercising and when you have calories to burn., But, it works just as well when you take it before sleeping., Get yours now! , L Carnitine Liquid L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage L carnitine benefits, uses & dosage: A complete guide L CARNITINE for fat loss? A quick summary and understanding of this popular but misunderstood supplement 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 benefits