In Reply to: Gastro stop posted by Trishess2nd on Saturday, 7. June 2014 at 21:04 Bali Time:
According to google Gastro-Stop is based on Loperamide, so effectively the same as Imodium (=Brand name)
Entrostop has no loperamide but is based on other chemicals and is more used to restore the 'climate' in the intestines instead of stoppig it like loperamide