L Carnitine Linus Pauling Institute Oregon State University When should I take L Carnitine? Inshape Nutrition Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. L carnitine: what is it, health benefits and side effects L Carnitine L Tartrate Powder True Protein