L Carnitine: A Fat Loss Myth or Supplement Staple? When to Take L Carnitine for Weight Loss & Maximize Results L Carnitine doesnt magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and youll feel the difference @Marybosch shows us how L Carnitine will boost Acetyl L Carnitine 750 mg Tablets Carnitine palmitoyltransferase 1 facilitates fatty acid oxidation in a non cell autonomous manner: Cell Reports