Does anybody know, any medicine for constipation , which is not create dependency?

by Constipation Help

As far as i know senna create dependency
psyllium , lactulose , milk of magnezia they are to weak
i tried so far normacol , fybogel metamucil , regulan , none of them worked
the best remedy was a chinese tea calles sanye anti adipose tea but once i stopped it my bowel movement was lasy again
do i have any other alternative for senna without dependecy?