 Müller-Wohlfahrt's use of homeopathic medicine to treat players is also controversial.He has treated many footballers and athletes including Jürgen Klinsmann, Ronaldo and Jonathan Woodgate, Kelly Holmes, Maurice Greene and Usain Bolt.He helped cure Michael Owen's hamstring problems in time to play at the Euro 2000 tournament and has also helped Owen's Liverpool and England colleague, Steven Gerrard and Harry Kewell.