L carnitine or what we call Skinny drip, is an amino acid naturally found in the body, which helps to convert fat into energy. Taking an injection of L carnitine once a week for 12 weeks can help L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Why Aging Humans Need More Carnitine page 1 Life Extension Eating Red Meat and Animal Foods Raise Heart Disease Risk: The Role of TMAO: Joel Kahn, MD: Integrative Cardiologist L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage PDF) Risk assessment of "other substances" L Carnitine and L Carnitine L tartrate Opinion of the Panel on Food Additives, Flavourings, Processing Aids, Materials in Contact with Food and Cosmetics of the Norwegian Scientific Committee for Food