carnitine
car·ni·tine
noun \ˈkär-nə-ˌtēn\Definition of CARNITINE
: a quaternary ammonium compound C7H15NO3 that is present especially in vertebrate muscle, is involved in the transfer of fatty acids across mitochondrial membranes, and in humans is obtained from food (as meat or milk) or is synthesized from a lysine derivative
