L Carnitine and Creatine are both game changers for fitness, but they each shine in different ways! SAVE this as your quick guide! L Carnitine, found in red meat, fish, and chicken, supports fat L Carnitine Creatine vs Carnitine: Do You Need Both? Differences Explained FeastGood.com Difference between L Carnitine and L Carnitine L Tartrate L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe L carnitine known as the energy nutrients, provides massive benefits to your heart and works best with Alpha Lipoic Acid.