If anyone is interested in a good probiotic with a lot of solid science behind it, you should definitely check out http://www.generalbiotics.com http://www.gene

If anyone is interested in a good probiotic with a lot of solid science behind it, you should definitely check out http://www.generalbiotics.com http://www.generalbiotics.com It was created by the guys behind the NSF funded Human Biome project. It's excellent and contains over 100 strains (not just a few like most probiotic).