Carnitine: the claims and why it may not work 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 Role of L carnitine in the transport of long chain fatty acids through Download Scientific Diagram Translating the basic knowledge of mitochondrial functions to metabolic therapy: role of L carnitine ScienceDirect