Carnitol (L-carnitine), capsule or solution, is a "free form" amino acid which provides a major source of energy for muscles. It increases the use of fat as an energy source, thus, preventing the fatty acid build-up in the heart, liver, and skeletal muscles. It is useful in the treatment of Chronic Fatigue Syndrome.L-Carnitine builds muscle tissue and increases stamina; aids in weight loss increases sperm count and motility.