Best Time to Take L Carnitine: A Complete Guide The Science of Good Health L CARNITINE Does L Carnitine Help with Erectile Dysfunction? Amazon.com: PURE ORIGINAL INGREDIENTS L Carnitine, (100 Capsules) Always Pure, No Additives or Fillers, Lab Verified : Health & Household 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