Electrophoretic Determination of L Carnosine in Health Supplements Using an Integrated Lab on a Chip Platform with Contactless Conductivity Detection 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 Source Naturals L Carnosine, 500 mg 60 Tablets Fred Meyer L Carnitine 3000mg Liquid Supplement Fat Burn, Energy, Performance & musclegear