Chronic Kidney Disease: Stages, Treatments & Nutrition Hacks Life Extension L Carnitine ((R) Carnitine) Co factor for oxidation MedChemExpress 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 Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty