She had a ED as well as IBS and some other physical ailments. The clinic she is with in the UK has expertise in GI and ED disorders. Her GI doc is a world authority on the use of diet, fiber, hypno and probiotics for managing GI disorders. She is in excellent hands.
Here is a detailed review of the clinical use of probiotics including Lactobacillus acidophilus for the prevention of traveler's D. It has a brief explanation of how they work - although it is a rather technical.
-------------------- STABLE: ♂, IBS-D 50+ years - Science of IBS