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 vs L Arginine: Understanding Their Differences and Benefit Fitness Health Ultra L Carnitine NutriRestore The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation