A composition is disclosed which is suitable for the prevention and/or treatment of vasculopathic, cardiac, central and peripheral cerebral disturbances and for the prevention of learning disorders or disorders related to ageing, as well as for coping with increased energy requirements, and which may take the form of a dietary supplement or an actual medicine in its own right, containing the following as its characterising active ingredients: (a) propionyl L-carnitine or one of its pharmacologically acceptable salts； and (b) coenzyme Q10.
