a) Molecular structures of L carnitine and acetyl L carnitine, (b) Download Scientific Diagram Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Loss of Muscle Carnitine Palmitoyltransferase 2 Prevents Diet Induced Obesity and Insulin Resistance despite Long Chain Acylcarnitine Accumulation: Cell Reports The structural formula of L carnitine and Acetyl L carnitine. Download Scientific Diagram