Electrophoretic Determination of L Carnosine in Health Supplements Using an Integrated Lab on a Chip Platform with Contactless Conductivity Detection Are L Carnitine and L Carnosine the Same? Anti Aging Systems 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 N Acetyl Carnosine vs L Carnosine: Differences and Applications