L carnitine Injections for Fat Loss: Fact or Myth? Evidence Based Body Recomposition L Carnitine Injection Benefits and Safety 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 My friend claims Natty, says closest thing he took to juice was L Carnitine. What's the verdict? : r nattyorjuice