Role of L carnitine in oxidative metabolism. CoASH, acetyl CoA; CPT, Download Scientific Diagram Frontiers Ketone bodies mediate alterations in brain energy metabolism and biomarkers of Alzheimer's disease 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 L CARNITINE LIQUID Flex Wheeler Amazon.com: Doctors Best Acetyl L Carnitine 1000 mg Per Serving Acetyl L Carnitine Supplement for Men & Women, Supports Brain & Nerve Cell Function, Mental Focus, Helps Generate Cellular Energy 120 Veg Liquid Carnitine 3000mg Plus Old School Labs