L-Carnitine, Mecobalamin, Folic Acid is an amino acid produced naturally in the body to help burn fat and increase circulation. The overall effect of its use within the body is to produce energy. It is used for muscle movement as well as brain and heart function. Carnitine is used for the treatment of the many conditions because it acts as an antioxidant. Antioxidants can neutralize free radicals, which damage cells and tamper with DNA.