I have done yogurt well dairy fermentation of l. reuteri, l. gasseri l. 3:39 coagans. Bifida I did just to see what common yogurt microbe would do. Now upper respiratory I over reacted as a child with asthma. Rarely getting sick but ruptured appendix at four years and many Cdiff infections . Gut things yes I get. 7 years Carnivore. I feel I have cured myself now.