The Road to Wellville

The Road to Wellville is a 1994 American comedy drama film written, produced and directed by Alan Parker, an adaptation of T. C. Boyle's novel of the same name, which tells the story of the doctor and clean-living advocate John Harvey Kellogg and his methods employed at the Battle Creek Sanitarium at the beginning of the 20th century.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.