L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health L Carnitine Benefits, Dosage, Uses & Side Effects L Carnitine helps your body turn fat into fuel improving energy, endurance, and recovery. Combine it with consistent training and a clean diet for real results! , ., ., ., ., #LCarnitine #FatLoss Top 7 L Carnitine L Tartrate Uses for Fat Loss 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.