Democrats should not reflexive be against this just because they don't like the current president or HHS secetry. Same thing with the restrictions on buying soda and junk food with SNAP.
The supermarket is filled with processed food. Black cat/White cat whatever catches the mouse. The push to eat real food is good. Embrace it even if you don't like people behind it.
It's not scientific and that's exactly what you'd expect out of RFK and MAHA movement.