I don't think that would work (bacteria living the colon can not necessarily survive all the way through the digestive tract). What is an accepted form of gut

I don't think that would work (bacteria living the colon can not necessarily survive all the way through the digestive tract). What is an accepted form of gut biome therapy is a stool transplant: http://en.wikipedia.org/wiki/Fecal_bacteriotherapy http://en.wikipedia.org/wiki/Fecal_bacteriotherapy