Biomedical Reports The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Disorders of mitochondrial long chain fatty acid oxidation and the carnitine shuttle Reviews in Endocrine and Metabolic Disorders Springer Nature Link L Carnitine Deficiency Archives Govinda Lifecare How should I monitor labs and followup for a female patient with primary carnitine deficiency receiving oral Lcarnitine (levocarnitine)? 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.