I take a daily capsule of probiotics, which has been beneficial for me. Basically, the idea is that the good bacteria crowd out the bad ones.
This report seems to be along those lines, although it’s a more specific kind of treatment.
capsules of food?
excerpt:
“each mouthful of fermented food can provide trillions of beneficial bacteria—far more than you can get from a probiotics supplement, which will typically provide you with colony-forming units in the billions.”