L-Carnitine is an amino acid with a peculiar nutritional function. L-Carnitine participates in the process which carries fatty acids into a mitochondria in energy developmental process. Therefore, with work to support exercise, there is a recovery effect of fatigue after an exercise. In addition, L-carnitine helps with brain function. This was indicated by an absorption test showing university students that L-carnitine absorption has the effect of a decline in BMI and a reduction in body fat.