Changes in carnitine profiles during L carnitine supplementation in Download Scientific Diagram The Synergistic Effects of the Combination of L Carnitine and Lycopene on the Lycopene Bioavailability and Duodenal Health of Roosters Most oral L carnitine supplements are glorified flavored chemical waters., , Low bioavailability = very little of it actually gets picked up for use by the body., , So when companies sell $40$60 L Carnitine Oral Bioavailability NOW l Carnitine Supplement