At first I was going to say yes, but after a little thought, no.
Try to explain it to her in terms of something else maybe. Like I would hate to dye my hair bright green but that you wouldn’t judge anyone else for doing so. Or something like that. People have a hard time separating personal preference from greater opinion usually.
Hope this helps!
Of course it’s not wrong to not want to be unhealthy! What’s wrong with people?