Earlier quoted context omitted.
I've had a LOT of gut problems in my life. I have a physically broken stomach, have had to have stomach surgery in the past, and probably will have to do it again soon. Most probiotics I've taken did nothing. The only ones that seem to actually work for me are these: https://drohhiraprobiotics.com/ Not sure why it works, but anecdotally, they do. Other things that have helped significantly – cutting out alcohol.
yeah I had serious gut problems for years and no probiotic ever did the slightest thing. Anecdotally I can’t differentiate them from snake oil. But Metamucil changed my life dramatically over a span of a few weeks. Never had the type of symptoms it’s indicated for, which everyone I mention it to just assumes. But it fixed me somehow.
Acetylated cellulose suppresses mass through commensals consuming carbohydrates https://news.ycombinator.com/item?id=44219171