Please remember, there is a thing as too much of a good thing! I'm not sure if this applies to probiotics or not.
Here is a link to the different types of "goodies" that are found in the kefir I make:
zenkefir.blogspot.com/2011/03/so-what-is-milk-kefir-part-2.html Most probiotics that you can buy in capsule form only has 1 or 2 different types of good bacteria in them. Check it out!