L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage Acetyl L Carnitine 500 mg Health Thru Nutrition PureFormulas Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to Acetyl L Carnitine BioMed Health Center L Carnitine functions as a cofactor for long chain fatty acids across Download Scientific Diagram