Pharmaceutical preparations; pharmaceutical preparations for the treatment of mitochondrial disorders; pharmaceutical preparations and substances for treatment of genetic diseases; pharmaceutical preparations for the treatment of diseases or dysfunction of the mitochondria; pharmaceutical preparations featuring cell penetrating peptides for use in the treatment of genetic disorders; pharmaceuticals that treat genetic diseases by use of carrier proteins; pharmaceutical preparations for the treatment of ataxia; pharmaceutical preparations for the treatment of Friedreich's Ataxia; pharmaceutical preparations for protein replacement therapy; pharmaceutical preparations for frataxin replacement therapy.