companies like optibac put warnings on probiotics. The Fda warns that probiotics can and have caused death by causing fungal infections in premature babies and should also not be taken by people with faulty immune systems. Sorry but I disagree with you and agree with science. I know in certain people they can be good, in some people they make no difference and other people get ill, look at it this way, some people can eat peanuts and some get ill and some get mild effects, we are not the same.