Both prunes and prune juice have a laxative effect that is not entirely understood, but may be caused by the presence of sugar alcohol called sorbitol.
RONI CARYN RABIN, NY Times: Health
Tue, 12/01/2015 - 3:45am
Both prunes and prune juice have a laxative effect that is not entirely understood, but may be caused by the presence of sugar alcohol called sorbitol.