Liquid L Carnitine Citrus Horbaach Liquid L Carnitine 3000mg 16 fl oz : Target L Carnitine (Orange) Outlastlabz Supplements & Body Odor ConsumerLab.com Amazon.com: Benevolent L Carnitine Supplement High Potency 1500mg L Carnitine Tartrate Fast Absorbing, Convert Fat to Energy, Support Lean Muscle, Boost Workout Performance & Metabolism 120 Vegan Capsules : Health & Household 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.