Aside from an apprenticeship in person-centered interviewing (completed in 1991), she was an associate at the interdisciplinary research project "Ernährungskultur in Österreich" ("Nutritional Culture in Austria") at the Institut für Kulturstudien (IKUS).

[4] Rützler is a frequent speaker at international meetings and conferences (for example in Berlin, Zürich, Johannesburg and Dubai), as a workshop and seminar leader as well as a nutrition expert on the radio,[5] on television[6] and in written media.

She was a lecturer at the Medical University of Graz (college course Public Health) and is a member of numerous scientific advisory committees (VEÖ, Forum Ernährung heute, Denkwerk Zukunft, amongst others).

Scientists from Maastricht University in the Netherlands, led by professor Mark Post, had taken stem cells from a cow and grown them into strips of muscle which they then combined to make a burger.

[8] The burger was cooked by chef Richard McGeown of Couch's Great House Restaurant, Polperro, Cornwall, and tasted by critics Rützler and Josh Schonwald, as well as lead researcher Post.